Re-commit of 4faa0ec9df7067cee3eb1c1953fccc6c2f842179

Cleaned up Zeny manipulation in scripts.

- It is now finally safe to re-commit.
- Removed some unwanted parts of the original commit, that broke the
  character set in some scripts. [Haru]
- Corrected spacing in some edited lines. [Haru]

43 files changed, 188 insertions, 188 deletions

diff --git a/npc/quests/bard_quest.txt b/npc/quests/bard_quest.txt
index 630b15196..d9382593e 100644
--- a/npc/quests/bard_quest.txt
+++ b/npc/quests/bard_quest.txt
@@ -1127,7 +1127,7 @@ S_StorySong:
 		case 1:
 			mes "[Errende]";
 			if (Zeny > 499) {
-				set Zeny, Zeny-500;
+				Zeny -= 500;
 				cutin "bard_eland03",2;
 				mes "Alright.";
 				mes "Here we go~";
diff --git a/npc/quests/cooking_quest.txt b/npc/quests/cooking_quest.txt
index 28f5e26b0..4c2a84ea7 100644
--- a/npc/quests/cooking_quest.txt
+++ b/npc/quests/cooking_quest.txt
@@ -2108,7 +2108,7 @@ S_SellSets:
 		mes getitemname(getarg(0))+"...";
 		close;
 	}
-	set Zeny, Zeny-.@total_cost;
+	Zeny -= .@total_cost;
 	getitem getarg(0),.@sell;
 	mes "[Madeleine Chu]";
 	mes "Here you are~";
@@ -2196,7 +2196,7 @@ payon,209,127,3	script	Servant	4_M_ORIENT01,{
 				mes "raise 200 zeny, right?";
 				close;
 			}
-			set Zeny, Zeny-200;
+			Zeny -= 200;
 			getitem 555,1; //Rice_Cake
 			mes "[Chulsoo]";
 			mes "Thank you very";
@@ -2367,7 +2367,7 @@ payon,209,127,3	script	Servant	4_M_ORIENT01,{
 				mes "raise 200 zeny, right?";
 				close;
 			}
-			set Zeny, Zeny-200;
+			Zeny -= 200;
 			getitem 555,1; //Rice_Cake
 			mes "[Chulsoo]";
 			mes "Thank you very";
diff --git a/npc/quests/counteragent_mixture.txt b/npc/quests/counteragent_mixture.txt
index 9d5b82ae4..ed8152a06 100644
--- a/npc/quests/counteragent_mixture.txt
+++ b/npc/quests/counteragent_mixture.txt
@@ -469,7 +469,7 @@ geffen_in,141,140,3	script	Molgenstein#cm	2_M_MOLGENSTEIN,{
 					delitem 970,1; //Alchol
 					delitem 971,1; //Detrimindexta
 					delitem 713,1; //Empty_Bottle
-					set Zeny, Zeny-3000;
+					Zeny -= 3000;
 					getitem 973,1; //Counteragent
 					mes "[Chemist Molgenstein]";
 					mes "Hee hee hee...";
@@ -513,7 +513,7 @@ geffen_in,141,140,3	script	Molgenstein#cm	2_M_MOLGENSTEIN,{
 					delitem 970,1; //Alchol
 					delitem 972,1; //Karvodailnirol
 					delitem 713,1; //Empty_Bottle
-					set Zeny, Zeny-4000;
+					Zeny -= 4000;
 					getitem 974,1; //Mixture
 					mes "[Chemist Molgenstein]";
 					mes "Hee hee hee...";
diff --git a/npc/quests/dandelion_request.txt b/npc/quests/dandelion_request.txt
index e278a4773..d733a374b 100644
--- a/npc/quests/dandelion_request.txt
+++ b/npc/quests/dandelion_request.txt
@@ -2190,7 +2190,7 @@ OnTouch:
 						mes "tired. Let me take a";
 						mes "freakin' 20 second yawn.";
 						mes "*Yaaaaaaaaaaaaaaaaaaaaaaaaaawn*";
-						set Zeny,Zeny - 1000;
+						Zeny -= 1000;
 						close2;
 						warp "que_job01",9,94;
 						end;
@@ -2309,7 +2309,7 @@ OnTouch:
 						mes "Hey, bartender! Gimme";
 						mes "the usual! I like your";
 						mes "style, adventurer...";
-						set Zeny,Zeny - 1000;
+						Zeny -= 1000;
 						next;
 						mes "[Litheron]";
 						mes "Alright, you can come";
@@ -2473,7 +2473,7 @@ que_job01,82,95,3	script	Bar Master	1_ETC_01,{
 						mes "ask you for 800. Enjoy it,";
 						mes "my friend, and drink it as";
 						mes "deeply as you would life.";
-						set Zeny,Zeny - 800;
+						Zeny -= 800;
 						if(.@maodrink) getitem 12112,1;
 						else getitem 12113,1;
 						close;
@@ -2495,7 +2495,7 @@ que_job01,82,95,3	script	Bar Master	1_ETC_01,{
 					mes "hard feelings, but you're";
 					mes "already lucky to be here.";
 					mes "Hey, enjoy your drink~";
-					set Zeny,Zeny - 1000;
+					Zeny -= 1000;
 					if(.@maodrink) getitem 12112,1;
 					else getitem 12113,1;
 					close;
diff --git a/npc/quests/eye_of_hellion.txt b/npc/quests/eye_of_hellion.txt
index 135fc768b..6feb07f81 100644
--- a/npc/quests/eye_of_hellion.txt
+++ b/npc/quests/eye_of_hellion.txt
@@ -1371,7 +1371,7 @@ payon,182,132,3	script	Grout'he Tuccok#hellion	1_M_02,{
 					mes "clean and pure Skirt of Virgin.";
 					mes "If you got any more questions,";
 					mes "I guess you can ask me later~";
-					set Zeny, Zeny-10000;
+					Zeny -= 10000;
 					set HELLIONQ,48;
 					getitem 953,1; //Stone_Heart
 					getitem 511,1; //Green_Herb
diff --git a/npc/quests/first_class/tu_archer.txt b/npc/quests/first_class/tu_archer.txt
index 247aa0329..09f758959 100644
--- a/npc/quests/first_class/tu_archer.txt
+++ b/npc/quests/first_class/tu_archer.txt
@@ -1591,7 +1591,7 @@ pay_arche,130,113,3	script	Alchemist Guildmember#tu	2_M_ALCHE,{
 					delitem 1032, .@alche_f; //Blossom_Of_Maneater
 					delitem 905, .@alche_s; //Stem
 				}
-				set Zeny,Zeny+.@total_zeny;
+				Zeny += .@total_zeny;
 				close;
 			case 2:
 				mes "[Alchemist Guildmember]";
diff --git a/npc/quests/first_class/tu_magician01.txt b/npc/quests/first_class/tu_magician01.txt
index 97ac69dcb..dc43a7852 100644
--- a/npc/quests/first_class/tu_magician01.txt
+++ b/npc/quests/first_class/tu_magician01.txt
@@ -786,7 +786,7 @@ geffen,67,180,4	script	New Mage Manager#M	8_F,{
 		mes "again, thanks very much~";
 		set tu_magician01, 28;
 		getitem 2321,1; //Silk_Robe
-		set Zeny, Zeny + 3000;
+		Zeny += 3000;
 		getexp 3000,1000;
 		close;
 	default:
diff --git a/npc/quests/first_class/tu_merchant.txt b/npc/quests/first_class/tu_merchant.txt
index 8636810bd..b760831df 100644
--- a/npc/quests/first_class/tu_merchant.txt
+++ b/npc/quests/first_class/tu_merchant.txt
@@ -710,7 +710,7 @@ prontera,66,111,3	script	Sagle	4_KID01,{
 				mes "There's no way you carry all of this! Why don't you put some of your stuff in Kafra Storage before coming back?";
 				close;
 			} else {
-				set Zeny, Zeny - 420;
+				Zeny -= 420;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -758,7 +758,7 @@ prontera,66,111,3	script	Sagle	4_KID01,{
 				close2;
 				end;
 			} else {
-				set Zeny, Zeny - 410;
+				Zeny -= 410;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -805,7 +805,7 @@ prontera,66,111,3	script	Sagle	4_KID01,{
 				mes "There's no way you carry all of this! Why don't you put some of your stuff in Kafra Storage before coming back?";
 				close;
 			} else {
-				set Zeny, Zeny - 390;
+				Zeny -= 390;
 				set tu_merchant, 9;
 				getitem 501,10; //Red_Potion
 				close;
@@ -862,7 +862,7 @@ prontera,93,330,3	script	Kellion	4W_M_01,{
 				mes "You better put some of your stuff in Kafra Storage, you can't carry much else!";
 				close;
 			} else { 
-				set Zeny, Zeny - 340;
+				Zeny -= 340;
 				set tu_merchant, 10;
 				getitem 569,10; //Novice_Potion
 				close;
@@ -901,7 +901,7 @@ prontera,93,330,3	script	Kellion	4W_M_01,{
 				mes "You better put some of your stuff in Kafra Storage, you can't carry much else!";
 				close;
 			} else { 
-				set Zeny, Zeny - 390;
+				Zeny -= 390;
 				set tu_merchant, 9;
 				getitem 501,10; //Red_Potion
 				close;
@@ -940,7 +940,7 @@ prontera,93,330,3	script	Kellion	4W_M_01,{
 				mes "You better put some of your stuff in Kafra Storage, you can't carry much else!";
 				close;
 			} else { 
-				set Zeny, Zeny - 400;
+				Zeny -= 400;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1000,7 +1000,7 @@ prt_in,169,11,3	script	Aigie	4_F_03,{
 				mes "You can't possibly carry any more items. Why don't you put your things in Kafra Storage first?";
 				close;
 			} else {
-				set Zeny, Zeny - 390;
+				Zeny -= 390;
 				set tu_merchant, 9;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1045,7 +1045,7 @@ prt_in,169,11,3	script	Aigie	4_F_03,{
 				mes "You can't possibly carry any more items. Why don't you put your things in Kafra Storage first?";
 				close;
 			} else {
-				set Zeny, Zeny - 420;
+				Zeny -= 420;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1090,7 +1090,7 @@ prt_in,169,11,3	script	Aigie	4_F_03,{
 				mes "You can't possibly carry any more items. Why don't you put your things in Kafra Storage first?";
 				close;
 			} else {
-				set Zeny, Zeny - 340;
+				Zeny -= 340;
 				set tu_merchant, 10;
 				getitem 569,10; //Novice_Potion
 				close;
@@ -1145,7 +1145,7 @@ prontera,247,129,3	script	Jayon	4_M_03,{
 				mes "You ought to free up some of your inventory space when you get the chance.";
 				close;
 			} else {
-				set Zeny, Zeny - 410;
+				Zeny -= 410;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1191,7 +1191,7 @@ prontera,247,129,3	script	Jayon	4_M_03,{
 				mes "You ought to free up some of your inventory space when you get the chance.";
 				close;
 			} else {
-				set Zeny, Zeny - 400;
+				Zeny -= 400;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1238,7 +1238,7 @@ prontera,247,129,3	script	Jayon	4_M_03,{
 				mes "You ought to free up some of your inventory space when you get the chance.";
 				close;
 			} else {
-				set Zeny, Zeny - 410;
+				Zeny -= 410;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1293,7 +1293,7 @@ prt_in,251,129,3	script	Maos	4_M_SEAMAN,{
 				mes "Ooh, but it doesn't look like you've got enough inventory space to carry any more items.";
 				close;
 			} else {
-				set Zeny, Zeny - 420;
+				Zeny -= 420;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1328,7 +1328,7 @@ prt_in,251,129,3	script	Maos	4_M_SEAMAN,{
 				mes "Ooh, but it doesn't look like you've got enough inventory space to carry any more items.";
 				close;
 			} else {
-				set Zeny, Zeny - 340;
+				Zeny -= 340;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
@@ -1363,7 +1363,7 @@ prt_in,251,129,3	script	Maos	4_M_SEAMAN,{
 				mes "Ooh, but it doesn't look like you've got enough inventory space to carry any more items.";
 				close;
 			} else {
-				set Zeny, Zeny - 400;
+				Zeny -= 400;
 				set tu_merchant, 10;
 				getitem 501,10; //Red_Potion
 				close;
diff --git a/npc/quests/first_class/tu_thief01.txt b/npc/quests/first_class/tu_thief01.txt
index 0c431951f..059a76477 100644
--- a/npc/quests/first_class/tu_thief01.txt
+++ b/npc/quests/first_class/tu_thief01.txt
@@ -570,7 +570,7 @@ moc_ruins,66,164,4	script	Thief Trainer#T	4_M_02,{
 				mes "Hey, this stuff is yours. Think of it as a reward for helping us out. Take care of yourself now~";
 				set tu_thief01, 27;
 				getitem 2307,1; //Mantle
-				set Zeny, Zeny + 5000;
+				Zeny += 5000;
 				getexp 8000,3000;
 				close;
 			}
@@ -693,7 +693,7 @@ moc_ruins,66,164,4	script	Thief Trainer#T	4_M_02,{
 				mes "[Yierhan]";
 				mes "Hey, this stuff is yours. Think of it as a reward for helping us out. Right, and I'll let Mana know you did a great job. Take care of yourself now~";
 				set tu_magician01, 27;
-				set Zeny, Zeny + 5000;
+				Zeny += 5000;
 				getexp 5000,2000;
 				close;
 			}
diff --git a/npc/quests/gunslinger_quests.txt b/npc/quests/gunslinger_quests.txt
index a37841f89..539f6c4ae 100644
--- a/npc/quests/gunslinger_quests.txt
+++ b/npc/quests/gunslinger_quests.txt
@@ -311,7 +311,7 @@ SubGarrison:
 			delitem 999,50; //Steel
 			delitem 1003,50; //Coal
 			delitem 7317,20; //Rusty Screw
-			set Zeny,Zeny-30000;
+			Zeny -= 30000;
 			getitem 13104,1; //Garrison
 			close;
 
@@ -586,7 +586,7 @@ SubInferno:
 		mes "I see you have the proper amount of materials and Zeny.";
 		mes "Here is the Inferno I've created for you.";
 		mes "Use it well.";
-		set Zeny,Zeny-200000;
+		Zeny -= 200000;
 		delitem 7319,100;
 		delitem 984,10;
 		delitem 7317,50;
@@ -859,7 +859,7 @@ SubDestroyer:
 		mes "You've got the perfect materials and Zeny~";
 		mes "Here's the Destroyer I made ahead of time for you.";
 		mes "Use it well.";
-		set Zeny,Zeny-100000;
+		Zeny -= 100000;
 		delitem 7319,50;
 		delitem 984,5;
 		delitem 7317,70;
@@ -993,7 +993,7 @@ que_ng,149,178,4	script	Lab Director	4_F_ALCHE,{
 				mes "Please clear your inventory.";
 				close;
 			}
-			set Zeny,Zeny-100000;
+			Zeny -= 100000;
 			set gun_na,0;
 			getitem 13158,1;
 			mes "[N. A]";
@@ -1022,7 +1022,7 @@ que_ng,149,178,4	script	Lab Director	4_F_ALCHE,{
 			delitem 984,3;
 			delitem 1003,70;
 			delitem 7317,50;
-			set Zeny,Zeny-50000;
+			Zeny -= 50000;
 			set gun_na,11;
 			mes "[N. A]";
 			mes "Aha, you got me all the";
diff --git a/npc/quests/juice_maker.txt b/npc/quests/juice_maker.txt
index 3920de4b9..27d5e22cb 100644
--- a/npc/quests/juice_maker.txt
+++ b/npc/quests/juice_maker.txt
@@ -269,7 +269,7 @@ payon_in03,188,146,5	script	Marx Hansen#juice	4_M_04,{
 			}
 			delitem .@fruit,.@make;
 			delitem 713,.@make;
-			set Zeny, Zeny-.@total_zeny;
+			Zeny -= .@total_zeny;
 			getitem .@juice,.@make;
 
 			mes "[Merchant Marx Hansen]";
diff --git a/npc/quests/kiel_hyre_quest.txt b/npc/quests/kiel_hyre_quest.txt
index ef15a7539..3083436cc 100644
--- a/npc/quests/kiel_hyre_quest.txt
+++ b/npc/quests/kiel_hyre_quest.txt
@@ -412,7 +412,7 @@ yuno_in01,35,179,4	script	Pub Master#kh	1_ETC_01,5,5,{
 			mes "Thank you so much";
 			mes "for helping me out~";
 			getitem 7487,1; //Tavern_Wine
-			set Zeny, Zeny+1000;
+			Zeny += 1000;
 			close;
 		}
 		else {
@@ -2226,7 +2226,7 @@ kh_vila,16,175,0	script	Box#khp1	HIDDEN_NPC,{
 			mes "special about it";
 			mes "at all! It's just";
 			mes "normal Pet Food!";
-			set Zeny, Zeny-1100;
+			Zeny -= 1100;
 			getitem 537,1;	//Pet_Food
 			close;
 		}
diff --git a/npc/quests/mage_solution.txt b/npc/quests/mage_solution.txt
index 8513ae8bf..2d4dcaab0 100644
--- a/npc/quests/mage_solution.txt
+++ b/npc/quests/mage_solution.txt
@@ -27,7 +27,7 @@ pay_arche,122,100,0	script	Dollshoi	4_M_ORIENT01,{
 			close;
 		}
 		delitem 1092,1; //Empty_Cylinder
-		set Zeny, Zeny-50;
+		Zeny -= 50;
 		getitem 1089,1; //Payon_Potion
 	}
 	close;
@@ -48,7 +48,7 @@ moc_ruins,91,150,0	script	Ponka-Hontas	4_F_04,{
 			close;
 		}
 		delitem 1092,1; //Empty_Cylinder
-		set Zeny, Zeny-50;
+		Zeny -= 50;
 		getitem 1088,1; //Morocc_Potion
 	}
 	close;
diff --git a/npc/quests/monstertamers.txt b/npc/quests/monstertamers.txt
index 10f02435e..5ad2cbbdb 100644
--- a/npc/quests/monstertamers.txt
+++ b/npc/quests/monstertamers.txt
@@ -436,7 +436,7 @@ aldeba_in,168,175,4	script	Monster Tamer#alde	4_M_TELEPORTER,{
 			mes "Rocker Glasses!";
 			delitem 912,2;  //Zargon
 			delitem 2208,1;  //Ribbon
-			set Zeny,Zeny-400;
+			Zeny -= 400;
 			getitem 10014,1; // Rocker_Glasses
 			close;
 		}
diff --git a/npc/quests/newgears/2004_headgears.txt b/npc/quests/newgears/2004_headgears.txt
index a9ee31558..4ee75a969 100644
--- a/npc/quests/newgears/2004_headgears.txt
+++ b/npc/quests/newgears/2004_headgears.txt
@@ -68,7 +68,7 @@ payon,115,131,3	script	Neko Neko#1	4_F_JOB_ASSASSIN,{
 		delitem 2213,1; //Cat_Hairband
 		delitem 983,1; //Black_Dyestuffs
 		delitem 914,200; //Fluff
-		set Zeny, Zeny-10000;
+		Zeny -= 10000;
 		getitem 5057,1; //Ear_Of_Black_Cat
 		next;
 		mes "[Neko Neko]";
@@ -250,7 +250,7 @@ geffen,129,148,3	script	Argen#1	4_M_YOYOROGUE,{
 			mes "Hey, that looks pretty smooth! Oh, and uh, you can keep this leftover Stem.";
 			delitem 2269,1; //Centimental_Flower
 			delitem 999,10; //Steel
-			set Zeny, Zeny-20000;
+			Zeny -= 20000;
 			getitem 5061,1; //Flower_Hairpin
 			getitem 905,1; //Stem
 			next;
@@ -524,7 +524,7 @@ comodo,237,217,5	script	Meruntei#1	4_M_JOB_HUNTER,{
 		delitem 5010,1; //Indian_Hair_Piece
 		delitem 5049,1; //Stripe_Band
 		delitem 7101,10; //Peco_Wing_Feather
-		set Zeny, Zeny-10000;
+		Zeny -= 10000;
 		getitem 5071,1; //Indian_Headband
 		next;
 		mes "[Meruntei]";
@@ -708,7 +708,7 @@ yuno,241,52,3	script	Old Blacksmith#hgear	2_M_OLDBLSMITH,{
 						mes "'Angel Wing Ears!'";
 						delitem 2254,1; //Angelic_Chain
 						delitem 2286,1; //Elven_Ears
-						set Zeny, Zeny-20000;
+						Zeny -= 20000;
 						getitem 5074,1; //Ear_Of_Angel's_Wing
 						next;
 						mes "[Hatbyr Mhore]";
@@ -763,7 +763,7 @@ yuno,241,52,3	script	Old Blacksmith#hgear	2_M_OLDBLSMITH,{
 						mes "There you go, buddy. I am proud to say this is my masterpiece. I call it... 'Devil Wing Ears!'";
 						delitem 2255,1; //Satanic_Chain
 						delitem 2286,1; //Elven_Ears
-						set Zeny, Zeny-20000;
+						Zeny -= 20000;
 						getitem 5068,1; //Ear_Of_Devil's_Wing
 						next;
 						mes "[Hatbyr Mhore]";
@@ -833,7 +833,7 @@ yuno,241,52,3	script	Old Blacksmith#hgear	2_M_OLDBLSMITH,{
 						mes "I am proud to say this is my masterpiece. Please take this item. I call it... 'Devil Wing Ears!'";
 						delitem 2255,1; //Satanic_Chain
 						delitem 2286,1; //Elven_Ears
-						set Zeny, Zeny-20000;
+						Zeny -= 20000;
 						getitem 5068,1; //Ear_Of_Devil's_Wing
 						next;
 						mes "[Hatbyr Mhore]";
@@ -887,7 +887,7 @@ yuno,241,52,3	script	Old Blacksmith#hgear	2_M_OLDBLSMITH,{
 						mes "I am proud to say this is my masterpiece. Please take this item. I call it... 'Angel Wing Ears!'";
 						delitem 2254,1; //Angelic_Chain
 						delitem 2286,1; //Elven_Ears
-						set Zeny, Zeny-20000;
+						Zeny -= 20000;
 						getitem 5074,1; //Ear_Of_Angel's_Wing
 						next;
 						mes "[Hatbyr Mhore]";
@@ -1778,7 +1778,7 @@ yuno_in03,20,18,6	script	Nehris#1	4_F_JOB_BLACKSMITH,{
 			delitem 10016,1; //Golden_Bell
 			delitem 714,1; //Emperium
 			delitem 969,3; //Gold
-			set Zeny, Zeny-20000;
+			Zeny -= 20000;
 			getitem 5091,1; //Big_Golden_Bell
 			mes "[Nehris]";
 			mes "Yoohoo~";
@@ -1816,7 +1816,7 @@ yuno_in03,20,18,6	script	Nehris#1	4_F_JOB_BLACKSMITH,{
 			delitem 10006,1; //Queen's_Hair_Ornament
 			delitem 714,1; //Emperium
 			delitem 969,3; //Gold
-			set Zeny, Zeny-20000;
+			Zeny -= 20000;
 			getitem 5080,1; //Headgear_Of_Queen
 			mes "[Nehris]";
 			mes "Tah dah!";
@@ -1866,7 +1866,7 @@ yuno_in03,20,18,6	script	Nehris#1	4_F_JOB_BLACKSMITH,{
 				delitem 2249,1; //Coronet
 				delitem 714,1; //Emperium
 				delitem 969,3; //Gold
-				set Zeny, Zeny-40000;
+				Zeny -= 40000;
 				getitem 5081,1; //Mistress_Crown
 				mes "[Nehris]";
 				mes "Yay! You've got a great looking crown!";
diff --git a/npc/quests/newgears/2005_headgears.txt b/npc/quests/newgears/2005_headgears.txt
index 4b6981101..c18b0e441 100644
--- a/npc/quests/newgears/2005_headgears.txt
+++ b/npc/quests/newgears/2005_headgears.txt
@@ -572,7 +572,7 @@ lighthalzen,143,68,0	script	Strange Guy#LhzHat	1_M_01,{
 				delitem 7301,1887;
 				delitem 5120,1;
 				delitem 611,10;
-				set Zeny, Zeny - 1887;
+				Zeny -= 1887;
 				set DTHATQ,2;
 				getitem 5108,1;
 				next;
@@ -730,7 +730,7 @@ lighthalzen,143,68,0	script	Strange Guy#LhzHat	1_M_01,{
 				delitem 7301,1887;
 				delitem 5120,1;
 				delitem 611,10;
-				set Zeny, Zeny - 1887;
+				Zeny -= 1887;
 				set DTHATQ,2;
 				getitem 5108,1;
 				next;
@@ -917,7 +917,7 @@ einbech,70,222,5	script	Metelle#LhzHat	4_F_02,{
 				delitem 983,1;
 				delitem 7267,999;
 				delitem 749,1;
-				set Zeny,Zeny - 50000;
+				Zeny -= 50000;
 				getitem 5115,1;
 				next;
 				mes "...";
@@ -1034,7 +1034,7 @@ lhz_in02,91,38,5	script	Margaret Mary#LhzHat	4_F_01,{
 						delitem 731,10;
 						delitem 748,3;
 						delitem 982,1;
-						set Zeny,Zeny - 50000;
+						Zeny -= 50000;
 						getitem 5117,1;
 						close;
 
@@ -1282,7 +1282,7 @@ lighthalzen,182,89,0	script	Relaxed-Looking Lady	4_F_02,{
 				delitem 10007,1;
 				delitem 975,1;
 				delitem 5032,1;
-				set Zeny,Zeny - 50000;
+				Zeny -= 50000;
 				getitem 5109,1;
 				set LHZBTQ,3;
 				next;
@@ -1355,7 +1355,7 @@ lighthalzen,182,89,0	script	Relaxed-Looking Lady	4_F_02,{
 				delitem 10007,1;
 				delitem 975,1;
 				delitem 5032,1;
-				set Zeny,Zeny - 50000;
+				Zeny -= 50000;
 				getitem 5109,1;
 				next;
 				mes "[Achiha]";
diff --git a/npc/quests/newgears/2006_headgears.txt b/npc/quests/newgears/2006_headgears.txt
index 8a63503c2..c77dba022 100644
--- a/npc/quests/newgears/2006_headgears.txt
+++ b/npc/quests/newgears/2006_headgears.txt
@@ -50,7 +50,7 @@ rachel,91,273,8	script	?	4_M_RACHMAN2,{
 		delitem 983,1; //Black_Dyestuffs
 		delitem 7111,100; //Smooth_Paper
 		delitem 938,99; //Sticky_Mucus 
-		set Zeny,Zeny-100000;
+		Zeny -= 100000;
 		getitem 5175,1; //Anonimity_Request
 		mes "[?]";
 		mes "Phew...it's done. Well, it was not that difficult to make, but...";
@@ -319,7 +319,7 @@ hugel,147,103,3	script	Ghenirhemin	4_M_HUGRANFA,{
 			delitem 4166,1; //Nightmare_Terror_Card
 			delitem 7511,1000; //Rune_Of_Darkness
 			delitem 7563,1000; //Bloody_Rune
-			set Zeny,Zeny-10000000;
+			Zeny -= 10000000;
 			set moza_valkylie,3;
 			mes "[Ghenirhemin]";
 			mes "Now I am all nervous";
diff --git a/npc/quests/ninja_quests.txt b/npc/quests/ninja_quests.txt
index 10757a60e..dfcc7d172 100644
--- a/npc/quests/ninja_quests.txt
+++ b/npc/quests/ninja_quests.txt
@@ -181,7 +181,7 @@ que_ng,28,50,3	script	Boshuu	4_M_SEAMAN,{
 			mes "Come and find me whenever you're ready to request more.";
 			delitem 2102,1;
 			delitem 2117,1;
-			set Zeny,Zeny-10000;
+			Zeny -= 10000;
 			set ninbo,0;
 			set MISC_QUEST,MISC_QUEST | 2048;
 			getitem 2118,1;
@@ -249,7 +249,7 @@ que_ng,28,50,3	script	Boshuu	4_M_SEAMAN,{
 				mes "If you ever want to ask me to make you more items, feel free to come back anytime.";
 				delitem 2102,1;
 				delitem 2117,1;
-				set Zeny,Zeny-10000;
+				Zeny -= 10000;
 				getitem 2118,1;
 				close;
 			}
@@ -351,7 +351,7 @@ que_ng,28,50,3	script	Boshuu	4_M_SEAMAN,{
 				mes "If you ever want to ask me to make you more items, feel free to come back anytime.";
 				delitem 2102,1;
 				delitem 2117,1;
-				set Zeny,Zeny-10000;
+				Zeny -= 10000;
 				set MISC_QUEST,MISC_QUEST | 2048;
 				getitem 2118,1;
 				close;
@@ -521,7 +521,7 @@ que_ng,28,45,3	script	Basshu	4_M_04,{
 			mes "If you ever want me to create more items, come and ask me anytime.";
 			delitem 2107,1;
 			delitem 2117,1;
-			set Zeny,Zeny-20000;
+			Zeny -= 20000;
 			set ninbot,0;
 			set MISC_QUEST,MISC_QUEST | 4096;
 			getitem 2119,1;
@@ -594,7 +594,7 @@ que_ng,28,45,3	script	Basshu	4_M_04,{
 				mes "If you ever want me to create more items, come and ask me anytime.";
 				delitem 2107,1;
 				delitem 2117,1;
-				set Zeny,Zeny-20000;
+				Zeny -= 20000;
 				getitem 2119,1;
 				close;
 			}
@@ -702,7 +702,7 @@ que_ng,28,45,3	script	Basshu	4_M_04,{
 				mes "If you ever want me to create more items, come and ask me anytime.";
 				delitem 2107,1;
 				delitem 2117,1;
-				set Zeny,Zeny-20000;
+				Zeny -= 20000;
 				set MISC_QUEST,MISC_QUEST | 4096;
 				getitem 2119,1;
 				close;
@@ -801,7 +801,7 @@ que_ng,27,18,3	script	Toshu	4_M_SEAMAN,{
 			}
 			delitem 2104,1;
 			delitem 2119,1;
-			set Zeny,Zeny-40000;
+			Zeny -= 40000;
 
 			switch (rand(5)) {
 				case 1:
@@ -905,7 +905,7 @@ que_ng,72,34,3	script	Craftsman Kaibara	4_M_EINOLD,{
 				delitem 1036,400;
 				delitem 984,5;
 				delitem 7123,30;
-				set Zeny,Zeny-200000;
+				Zeny -= 200000;
 				getitem 13006,1;
 				mes "[Kaibara]";
 				mes "Hmm, looks good.";
@@ -956,7 +956,7 @@ que_ng,72,34,3	script	Craftsman Kaibara	4_M_EINOLD,{
 				}
 				delitem 999,30;
 				delitem 7022,1;
-				set Zeny,Zeny-20000;
+				Zeny -= 20000;
 				getitem 13007,1;
 				mes "[Kaibara]";
 				mes "Hmm, very well.";
@@ -1004,7 +1004,7 @@ que_ng,72,34,3	script	Craftsman Kaibara	4_M_EINOLD,{
 				}
 				delitem 999,25;
 				delitem 7099,5;
-				set Zeny,Zeny-32000;
+				Zeny -= 32000;
 				getitem 13011,1;
 				mes "[Kaibara]";
 				mes "Hmm, very well.";
@@ -1053,7 +1053,7 @@ que_ng,72,34,3	script	Craftsman Kaibara	4_M_EINOLD,{
 				}
 				delitem 999,30;
 				delitem 720,10;
-				set Zeny,Zeny-48000;
+				Zeny -= 48000;
 				getitem 13012,1;
 				mes "[Kaibara]";
 				mes "Hmm, very well.";
@@ -1104,7 +1104,7 @@ que_ng,72,34,3	script	Craftsman Kaibara	4_M_EINOLD,{
 				delitem 932,500;
 				delitem 12001,10;
 				delitem 722,5;
-				set Zeny,Zeny-120000;
+				Zeny -= 120000;
 				getitem 13014,1;
 				mes "[Kaibara]";
 				mes "Hmm, very well.";
@@ -1191,7 +1191,7 @@ M_BENEKI:
 	delitem 999,50;
 	delitem 7115,20;
 	delitem 984,5;
-	set Zeny,Zeny-90000;
+	Zeny -= 90000;
 	getitem 13300,1;
 	mes "[Tetsu]";
 	mes "Hmm, very well.";
@@ -1239,7 +1239,7 @@ M_DAIS:
 	delitem 999,30;
 	delitem 7301,100;
 	delitem 984,2;
-	set Zeny,Zeny-40000;
+	Zeny -= 40000;
 	getitem 13301,1;
 	mes "[Tetsu]";
 	mes "Hmm, very well.";
@@ -1291,7 +1291,7 @@ M_DAIS4:
 	}
 	delitem 733,20;
 	delitem 984,3;
-	set Zeny,Zeny-40000;
+	Zeny -= 40000;
 	delitem 13301,1;
 	getitem 13302,1;
 	mes "[Tetsu]";
@@ -1340,7 +1340,7 @@ M_REKKA:
 	delitem 7098,100;
 	delitem 7097,100;
 	delitem 7521,50;
-	set Zeny,Zeny-78000;
+	Zeny -= 78000;
 	getitem 13303,1;
 	mes "[Tetsu]";
 	mes "Hmm, very well.";
diff --git a/npc/quests/quests_13_1.txt b/npc/quests/quests_13_1.txt
index b176b4081..9e7599ba4 100644
--- a/npc/quests/quests_13_1.txt
+++ b/npc/quests/quests_13_1.txt
@@ -7661,7 +7661,7 @@ function Catwarp;
 				close;
 			}
 			else if (Zeny >= 60) {
-				set Zeny, Zeny-60;
+				Zeny -= 60;
 				mes "[Cat Hand Agent]";
 				mes "Thank you.";
 				mes "Your storage will";
@@ -7708,7 +7708,7 @@ function Catwarp;
 				close;
 			}
 			else if (Zeny >= 60) {
-				set Zeny, Zeny-60;
+				Zeny -= 60;
 				mes "[Cat Hand Agent]";
 				mes "Thank you.";
 				mes "Your storage will";
@@ -7830,7 +7830,7 @@ function Catwarp;
 				close;
 			}
 			else if (Zeny >= 60) {
-				set Zeny, Zeny-60;
+				Zeny -= 60;
 				mes "[Cat Hand Agent]";
 				mes "Thank you.";
 				mes "Your storage will";
@@ -7943,7 +7943,7 @@ function Catwarp {
 		close;
 	}
 	close2;
-	set Zeny, Zeny-getarg(0);
+	Zeny -= getarg(0);
 	switch(getarg(1)) {
 		case 1: warp "alberta",117,56; end;
 		case 2: warp "prontera",116,72; end;
@@ -12064,7 +12064,7 @@ que_job01,82,95,3	script	Bar Master#moc2_01	1_ETC_01,{
 						mes "Here, drink up.";
 						mes "This drink is mainly made of fruit juice,";
 						mes "but you still shouldn't drink too much.";
-						set Zeny, Zeny-800;
+						Zeny -= 800;
 						getitem 12112,1; //Tropical_Sograt
 					}
 					close;
@@ -12082,7 +12082,7 @@ que_job01,82,95,3	script	Bar Master#moc2_01	1_ETC_01,{
 						mes "There you go.";
 						mes "This drink is mainly made of fruit juice,";
 						mes "but you still shouldn't drink too much.";
-						set Zeny, Zeny-1000;
+						Zeny -= 1000;
 						getitem 12112,1; //Tropical_Sograt
 						close;
 					}
@@ -12108,7 +12108,7 @@ que_job01,82,95,3	script	Bar Master#moc2_01	1_ETC_01,{
 						mes "[Karred]";
 						mes "I'll give you a special discount.";
 						mes "Here, enjoy.";
-						set Zeny, Zeny-800;
+						Zeny -= 800;
 						getitem 12113,1; //Vermilion_The_Beach
 					}
 					close;
@@ -12125,7 +12125,7 @@ que_job01,82,95,3	script	Bar Master#moc2_01	1_ETC_01,{
 						mes "[Karred]";
 						mes "There you go.";
 						mes "Don't drink too much, alright?";
-						set Zeny, Zeny-1000;
+						Zeny -= 1000;
 						getitem 12113,1; //Vermilion_The_Beach
 						close;
 					}
@@ -12273,7 +12273,7 @@ OnTouch:
 					mes "Hey, bartender! Gimme";
 					mes "the usual! I like your";
 					mes "style, adventurer...";
-					set Zeny, Zeny-1000;
+					Zeny -= 1000;
 					next;
 					mes "[Litheron]";
 					mes "Alright, you can come";
diff --git a/npc/quests/quests_13_2.txt b/npc/quests/quests_13_2.txt
index 16a4a6aa6..0767775be 100644
--- a/npc/quests/quests_13_2.txt
+++ b/npc/quests/quests_13_2.txt
@@ -106,7 +106,7 @@ spl_fild02,25,211,4	script	Cat Hand Agent#spl	4_M_BOSSCAT,{
 				close;
 			}
 			else if (Zeny >= 60) {
-				set Zeny, Zeny-60;
+				Zeny -= 60;
 				mes "[Cat Hand Agent]";
 				mes "Thank you.";
 				mes "Your storage will be opened shortly.";
@@ -153,7 +153,7 @@ spl_fild02,25,211,4	script	Cat Hand Agent#spl	4_M_BOSSCAT,{
 				close;
 			}
 			else if (Zeny >= 60) {
-				set Zeny, Zeny-60;
+				Zeny -= 60;
 				mes "[Cat Hand Agent]";
 				mes "Thank you.";
 				mes "Your storage will be opened shortly.";
@@ -274,7 +274,7 @@ spl_fild02,25,211,4	script	Cat Hand Agent#spl	4_M_BOSSCAT,{
 				close;
 			}
 			else if (Zeny >= 60) {
-				set Zeny, Zeny-60;
+				Zeny -= 60;
 				mes "[Cat Hand Agent]";
 				mes "Thank you.";
 				mes "Your storage will be opened shortly.";
@@ -395,7 +395,7 @@ function Catwarp {
 		close;
 	}
 	close2;
-	set Zeny, Zeny-getarg(0);
+	Zeny -= getarg(0);
 	switch(getarg(1)) {
 		case 1: warp "alberta",117,56; end;
 		case 2: warp "prontera",116,72; end;
diff --git a/npc/quests/quests_alberta.txt b/npc/quests/quests_alberta.txt
index bde9e8841..560160c3f 100644
--- a/npc/quests/quests_alberta.txt
+++ b/npc/quests/quests_alberta.txt
@@ -1196,7 +1196,7 @@ alberta_in,23,104,4	script	Grandpa Turtle#tur	2_M_PHARMACIST,{
 					mes "You've made your choice! With my experience, we will arrive without fail! I appreciate your spirit!";
 					next;
 					mes "^3355FF*Choo Choo*^000000";
-					set Zeny, Zeny-10000;
+					Zeny -= 10000;
 					warp "tur_dun01",157,39;
 					close;
 				}
diff --git a/npc/quests/quests_aldebaran.txt b/npc/quests/quests_aldebaran.txt
index 17fd9190e..86c0eef18 100644
--- a/npc/quests/quests_aldebaran.txt
+++ b/npc/quests/quests_aldebaran.txt
@@ -41,7 +41,7 @@ aldeba_in,152,166,4	script	Trader#01	4_M_04,{
 			delitem 2275,1; //Red_Bandana
 			delitem 998,50; //Iron
 			delitem 733,1; //Crystal_Jewel___
-			set Zeny, Zeny-3500;
+			Zeny -= 3500;
 			mes "[Trader]";
 			mes "Hm! You don't have a medical license, do you? It's alright, I've heard about a rogue, unlicensed physician who performed medical miracles! But... That might have been a comic book.";
 			next;
@@ -61,7 +61,7 @@ aldeba_in,152,166,4	script	Trader#01	4_M_04,{
 		if ((countitem(2247) > 0) && (countitem(916) > 299) && (Zeny > 499)) {
 			delitem 2247,1; //Oldman's_Romance
 			delitem 916,300; //Feather_Of_Birds
-			set Zeny, Zeny-500;
+			Zeny -= 500;
 			mes "[Trader]";
 			mes "Ooh~! You have good fashion sense. I know you've had a hard time collecting this stuff, but this hat is worth it. Take it. All you need now is a fur coat and a cane!";
 			getitem 5018,1; //Feather_Bonnet
@@ -77,7 +77,7 @@ aldeba_in,152,166,4	script	Trader#01	4_M_04,{
 		if ((countitem(998) > 19) && (countitem(707) > 0) && (Zeny > 4999)){ //Iron Singing_Plant 
 			delitem 998,20; //Iron
 			delitem 707,1; //Singing_Plant
-			set Zeny, Zeny-5000;
+			Zeny -= 5000;
 			mes "[Trader]";
 			mes "This one? It's a little bit scary, though it has some sort of romantic quality. What do you think? You like it? Alright, take it, it's yours!";
 			getitem 2281,1; //Phantom_Of_Opera
@@ -91,7 +91,7 @@ aldeba_in,152,166,4	script	Trader#01	4_M_04,{
 	case 4:
 		if ((countitem(1019) > 119) && (Zeny > 9999)){ //Wooden_Block 
 			delitem 1019,120; //Wooden_Block
-			set Zeny, Zeny-10000;
+			Zeny -= 10000;
 			mes "[Trader]";
 			mes "If you have a chance to visit the Uplander Village, Payon, please go and meet the Sakkat Craftsman.";
 			next;
diff --git a/npc/quests/quests_amatsu.txt b/npc/quests/quests_amatsu.txt
index 53a11d0b8..61c948f6e 100644
--- a/npc/quests/quests_amatsu.txt
+++ b/npc/quests/quests_amatsu.txt
@@ -1127,7 +1127,7 @@ ama_in01,162,17,1	script	Sushi Master#ama	4_M_JPNOJI2,{
 				mes "If you want to eat delicious fish slices, you better bring more money.";
 				close;
 			}
-			set Zeny, Zeny-700;
+			Zeny -= 700;
 			getitem 551,10; //Shusi
 			mes "[Magumagu]";
 			mes "There you go. If you like the taste, please order some more.";
@@ -1140,7 +1140,7 @@ ama_in01,162,17,1	script	Sushi Master#ama	4_M_JPNOJI2,{
 				mes "you better bring more money.";
 				close;
 			}
-			set Zeny, Zeny-74;
+			Zeny -= 74;
 			getitem 551,1; //Shusi
 			mes "[Magumagu]";
 			mes "There you go. If you like the taste, please order some more.";
@@ -1168,7 +1168,7 @@ ama_in01,162,17,1	script	Sushi Master#ama	4_M_JPNOJI2,{
 				mes "If you want to eat delicious fish slices, you better bring more money.";
 				close;
 			}
-			set Zeny, Zeny-350;
+			Zeny -= 350;
 			getitem 544,10; //Fish_Slice
 			mes "[Magumagu]";
 			mes "There you go. If you like the taste, please order some more.";
@@ -1181,7 +1181,7 @@ ama_in01,162,17,1	script	Sushi Master#ama	4_M_JPNOJI2,{
 				mes "";
 				close;
 			}
-			set Zeny, Zeny-37;
+			Zeny -= 37;
 			getitem 544,1; //Fish_Slice
 			mes "[Magumagu]";
 			mes "There you go. If you like the taste, please order some more.";
@@ -1474,7 +1474,7 @@ ama_in02,170,62,4	script	Soldier#ama2	8_M_JPNSOLDIER,{
 			mes "to issue another Transit Permit.";
 			next;
 			if (select("Issue one:Talk to you later") == 1) {
-				set Zeny, Zeny-10000;
+				Zeny -= 10000;
 				getitem 7160,1; //Lord's_Passable_Ticket
 				mes "[Jiro]";
 				mes "There you go.";
diff --git a/npc/quests/quests_ayothaya.txt b/npc/quests/quests_ayothaya.txt
index 954c532a1..5a30866f7 100644
--- a/npc/quests/quests_ayothaya.txt
+++ b/npc/quests/quests_ayothaya.txt
@@ -862,7 +862,7 @@ ayothaya,253,99,3	script	Fisherman	4_M_THAIONGBAK,{
 				mes "^3355FFYou've hooked a Phen!^000000";
 				next;
 				delitem 528,1; //Monster's_Feed
-				set Zeny, Zeny-50;
+				Zeny -= 50;
 				set .@randfish,rand(1,100);
 				if (.@randfish > 0 && .@randfish < 40) {
 					mes "^3355FFWhile cooking the Phen, you";
@@ -2546,7 +2546,7 @@ ayothaya,153,86,5	script	Thongpool#ayo	4_M_THAIONGBAK,{
 			if (select("I will take them.:I could get 100 Jellopies for that much!") == 1) {
 				if (Zeny > 10999) {
 					if (MaxWeight - Weight > 3999) {
-						set Zeny, Zeny-11000;
+						Zeny -= 11000;
 						set tomyumgoong,3;
 						getitem 567,20; //Prawn
 						emotion e_no1;
@@ -2590,7 +2590,7 @@ ayothaya,153,86,5	script	Thongpool#ayo	4_M_THAIONGBAK,{
 		if (select("Yes!:No, thanks.") == 1) {
 			if (Zeny > 10999) {
 				if (MaxWeight - Weight > 3999) {
-					set Zeny, Zeny-11000;
+					Zeny -= 11000;
 					getitem 567,20; //Prawn
 					mes "[Thongpool]";
 					mes "There you go~";
@@ -2941,7 +2941,7 @@ ayothaya,213,94,7	script	Merchant#ayo	4_M_THAIAYO,{
 			emotion e_thx;
 			if (Zeny > 1999) {
 				if (MaxWeight - Weight > 1199) {
-					set Zeny, Zeny-2000;
+					Zeny -= 2000;
 					set tomyumgoong,7;
 					getitem 7286,30; //Chilli
 					mes "[Merchant Thongdum]";
@@ -2997,7 +2997,7 @@ ayothaya,213,94,7	script	Merchant#ayo	4_M_THAIAYO,{
 		}
 		if (Zeny > 1999) {
 			if (MaxWeight - Weight > 1199) {
-				set Zeny, Zeny-2000;
+				Zeny -= 2000;
 				getitem 7286,30; //Chilli
 				mes "[Merchant Thongdum]";
 				mes "Thank you,";
diff --git a/npc/quests/quests_ein.txt b/npc/quests/quests_ein.txt
index 51d7e5869..3283266ea 100644
--- a/npc/quests/quests_ein.txt
+++ b/npc/quests/quests_ein.txt
@@ -274,7 +274,7 @@ einbech,97,167,5	script	Cavitar	4_M_EINOLD,{
 									mes "you a small present";
 									mes "as a token of my gratitute.";
 									mes "If you would, please take this.";
-									set Zeny,Zeny-1000;
+									Zeny -= 1000;
 									set ein_gear1,2;
 									switch(rand(1,7)) {
 									case 1:
@@ -331,7 +331,7 @@ einbech,97,167,5	script	Cavitar	4_M_EINOLD,{
 									next;
 									switch(select("Sure~!:No, thanks.")) {
 									case 1:
-										set Zeny,Zeny-1000;
+										Zeny -= 1000;
 										set ein_gear1,1;
 										mes "[Cavitar]";
 										mes "Great...!";
@@ -355,7 +355,7 @@ einbech,97,167,5	script	Cavitar	4_M_EINOLD,{
 										mes "this small gift";
 										mes "as a token of";
 										mes "my gratitude.";
-										set Zeny,Zeny-1000;
+										Zeny -= 1000;
 										getitem 1010,1; // Phracon
 										close;
 									}
@@ -384,7 +384,7 @@ einbech,97,167,5	script	Cavitar	4_M_EINOLD,{
 								next;
 								switch(select("Sure~!:No, thanks.")) {
 						 		case 1:
-									set Zeny,Zeny-1000;
+									Zeny -= 1000;
 									set $einamanoama,$einamanoama + 1;
 									set ein_gear1,1;
 									mes "[Cavitar]";
@@ -409,7 +409,7 @@ einbech,97,167,5	script	Cavitar	4_M_EINOLD,{
 									mes "this small gift";
 									mes "as a token of";
 									mes "my gratitude.";
-									set Zeny,Zeny-1000;
+									Zeny -= 1000;
 									getitem 1010,1; // Phracon
 									close;
 								}
diff --git a/npc/quests/quests_geffen.txt b/npc/quests/quests_geffen.txt
index 54e57218f..9c73d6c9f 100644
--- a/npc/quests/quests_geffen.txt
+++ b/npc/quests/quests_geffen.txt
@@ -49,7 +49,7 @@ geffen_in,144,166,4	script	Blacksmith	1_M_SMITH,{
 				mes "Ah, I see that you appreciate a Blacksmith's work! Alright, I'll do it right away !!";
 				next;
 				delitem 999,50;  //Steel
-				set Zeny,Zeny-2000;
+				Zeny -= 2000;
 				getitem 2292,1; // Welding_Mask
 				mes "[Blacksmith]";
 				mes "Hahaha~! Make good use of that!";
diff --git a/npc/quests/quests_hugel.txt b/npc/quests/quests_hugel.txt
index 6c8a8978f..313b999b4 100644
--- a/npc/quests/quests_hugel.txt
+++ b/npc/quests/quests_hugel.txt
@@ -3461,7 +3461,7 @@ einbech,208,124,3	script	Bomb Maker	4_M_REPAIR,{
 				mes "[Boomer]";
 				mes "Just make sure that you are not going to";
 				mes "blow yourself away with this bomb, hahah!";
-				set Zeny,Zeny-3000;
+				Zeny -= 3000;
 				getitem 7138,1; //Marine Sphere Bottle
 				close;
 			case 2:
@@ -5567,7 +5567,7 @@ hu_in01,15,372,3	script	Cellette Lavit	1_F_MERCHANT_02,{
 					mes "bowl of Fish Cake Soup.";
 					mes "I hope you come and ";
 					mes "visit me again, okay?";
-					set Zeny,Zeny-100;
+					Zeny -= 100;
 					getitem 584,1; //Fish_Ball_Soup 
 					close;
 				} else {
@@ -5625,7 +5625,7 @@ hu_in01,15,372,3	script	Cellette Lavit	1_F_MERCHANT_02,{
 				mes "There, I took 100 zeny";
 				mes "from you. That's fair, so";
 				mes "please don't lose it this time.";
-				set Zeny,Zeny-100;
+				Zeny -= 100;
 				getitem 584,1; //Fish_Ball_Soup 
 				close;
 			} else {
@@ -5666,7 +5666,7 @@ hu_in01,15,372,3	script	Cellette Lavit	1_F_MERCHANT_02,{
 				mes "There, I took 100 zeny";
 				mes "from you. That's fair, so";
 				mes "please don't lose it this time.";
-				set Zeny,Zeny-100;
+				Zeny -= 100;
 				getitem 584,1; //Fish_Ball_Soup 
 				close;
 			} else {
@@ -5708,7 +5708,7 @@ hu_in01,15,372,3	script	Cellette Lavit	1_F_MERCHANT_02,{
 				mes "There, I took 100 zeny";
 				mes "from you. That's fair, so";
 				mes "please don't lose it this time.";
-				set Zeny,Zeny-100;
+				Zeny -= 100;
 				getitem 584,1; //Fish_Ball_Soup 
 				close;
 			} else {
@@ -5749,7 +5749,7 @@ hu_in01,15,372,3	script	Cellette Lavit	1_F_MERCHANT_02,{
 				mes "There, I took 100 zeny";
 				mes "from you. That's fair, so";
 				mes "please don't lose it this time.";
-				set Zeny,Zeny-100;
+				Zeny -= 100;
 				getitem 584,1; //Fish_Ball_Soup
 				close;
 			} else {
@@ -9525,7 +9525,7 @@ hugel,209,109,2	script	Boatman#hugel	4_M_SEAMAN,{
 			mes "We'll arrive near";
 			mes "the Odin Shrine soon~";
 			close2;
-			set Zeny,Zeny -800;
+			Zeny -= 800;
 			if (hg_odin == 2) set hg_odin,3;
 			else if (hg_odin == 4) set hg_odin,5;
 			else if (hg_odin == 12) set hg_odin,13;
diff --git a/npc/quests/quests_izlude.txt b/npc/quests/quests_izlude.txt
index e95b8b2b7..3b20a85bf 100644
--- a/npc/quests/quests_izlude.txt
+++ b/npc/quests/quests_izlude.txt
@@ -32,7 +32,7 @@
 				mes "get some more cash?";
 				close ;
 			}
-			set Zeny, Zeny-250;
+			Zeny -= 250;
 			warp "alberta",195,164;
 			end;
 		}
@@ -79,7 +79,7 @@
 				mes "some more.";
 				close;
 			}
-			set Zeny, Zeny-250;
+			Zeny -= 250;
 			warp "alberta",195,164;
 			end;
 		}
diff --git a/npc/quests/quests_lighthalzen.txt b/npc/quests/quests_lighthalzen.txt
index 03f38edd9..6f9a4c0d2 100644
--- a/npc/quests/quests_lighthalzen.txt
+++ b/npc/quests/quests_lighthalzen.txt
@@ -1720,7 +1720,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 100) {
-			set Zeny, Zeny-100;
+			Zeny -= 100;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1736,7 +1736,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 200) {
-			set Zeny, Zeny-200;
+			Zeny -= 200;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1753,7 +1753,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 10) {
-			set Zeny, Zeny-10;
+			Zeny -= 10;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1793,7 +1793,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 100) {
-			set Zeny, Zeny-100;
+			Zeny -= 100;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1809,7 +1809,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 200) {
-			set Zeny, Zeny-200;
+			Zeny -= 200;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1826,7 +1826,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 10) {
-			set Zeny, Zeny-10;
+			Zeny -= 10;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1866,7 +1866,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 100) {
-			set Zeny, Zeny-100;
+			Zeny -= 100;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1883,7 +1883,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 200) {
-			set Zeny, Zeny-200;
+			Zeny -= 200;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -1900,7 +1900,7 @@ OnTouch:
 		mes "^3355FF*SHHHHHHUK!*^000000";
 		specialeffect EF_STEAL;
 		if (Zeny >= 10) {
-			set Zeny, Zeny-10;
+			Zeny -= 10;
 		}
 		next;
 		mes "[" + strcharinfo(0) + "]";
@@ -2017,7 +2017,7 @@ OnTouch:
 						mes "but I hope we never bump";
 						mes "into each other ever again!";
 					}
-					set Zeny, Zeny-.@price;
+					Zeny -= .@price;
 					getitem 12016,.@number; //Speed_Up_Potion
 				}
 			}
diff --git a/npc/quests/quests_louyang.txt b/npc/quests/quests_louyang.txt
index b9f086264..3b0520c66 100644
--- a/npc/quests/quests_louyang.txt
+++ b/npc/quests/quests_louyang.txt
@@ -1885,7 +1885,7 @@ lou_in02,210,47,0	script	City Hall Officer#lou	4_M_CHNSOLDIER,{
 					mes "[Jin Chiyuan]";
 					mes "^666666*Whispers*^000000";
 					mes "^333333When you go up stairs, another officer will give you the document you want.^000000 ^666666*Ahem*^000000 Louyang thanks you!";
-					set Zeny, Zeny-.@input;
+					Zeny -= .@input;
 					if (ch_par == 5) {
 						set ch_par,11;
 						changequest 11046,11051;
@@ -4124,7 +4124,7 @@ lou_fild01,224,348,0	script	Lady#delivery	4_F_CHNDRESS3,{
 			mes "[Lady]";
 			mes "Alright, there you go!";
 			if (Zeny > 99) {
-				set Zeny, Zeny-100;
+				Zeny -= 100;
 			}
 			close2;
 			specialeffect EF_BLASTMINEBOMB,AREA," #fire";
@@ -4146,7 +4146,7 @@ lou_fild01,224,348,0	script	Lady#delivery	4_F_CHNDRESS3,{
 			mes "Alright,";
 			mes "there you go!";
 			if (Zeny > 99) {
-				set Zeny, Zeny-100;
+				Zeny -= 100;
 			}
 			close2;
 			donpcevent " #fire::OnClaymore";
@@ -4176,7 +4176,7 @@ lou_fild01,224,348,0	script	Lady#delivery	4_F_CHNDRESS3,{
 				mes "delivery fee of 1,000 zeny.";
 				next;
 				if (Zeny > 999) {
-					set Zeny, Zeny-1000;
+					Zeny -= 1000;
 					getitem 7126,1; //Large_Jellopy
 					mes "[Lady]";
 					mes "Thank you~";
@@ -4234,7 +4234,7 @@ lou_fild01,224,348,0	script	Lady#delivery	4_F_CHNDRESS3,{
 			mes "Alright~";
 			mes "There you go!";
 			if (Zeny > 99) {
-				set Zeny, Zeny-100;
+				Zeny -= 100;
 			}
 			close2;
 			donpcevent " #fire::OnClaymore";
diff --git a/npc/quests/quests_morocc.txt b/npc/quests/quests_morocc.txt
index 6a5f452cf..86e07aab1 100644
--- a/npc/quests/quests_morocc.txt
+++ b/npc/quests/quests_morocc.txt
@@ -67,7 +67,7 @@ moc_ruins,113,181,4	script	William	4_M_ORIENT02,{
 		if ((countitem(1019) > 49) && (countitem(983) > 0) && (Zeny > 91099)) {
 			delitem 1019,50;  //Wooden_Block
 			delitem 983,1;  //Black_Dyestuffs
-			set Zeny, Zeny-91100;
+			Zeny -= 91100;
 			mes "[William]";
 			mes "Here you are~!";
 			mes "This ^3355FFStop Post^000000 has";
@@ -134,7 +134,7 @@ moc_ruins,118,176,4	script	Alchemist	1_M_WIZARD,{
 			next;
 			delitem 2243,1;  //Spinning_Eyes
 			delitem 999,100;  //Steel
-			set Zeny, Zeny-50000;
+			Zeny -= 50000;
 			mes "[Marius]";
 			mes "Here you are!";
 			mes "Binoculars !";
@@ -261,7 +261,7 @@ OnTouch:
 					mes "Hey, bartender! Gimme";
 					mes "the usual! I like your";
 					mes "style, adventurer...";
-					set Zeny, Zeny-1000;
+					Zeny -= 1000;
 					next;
 					mes "[Litheron]";
 					mes "Alright, you can come";
@@ -406,7 +406,7 @@ que_job01,82,95,3	script	Bar Master#moc_main01	1_ETC_01,{
 						mes "ask you for 800. Enjoy it,";
 						mes "my friend, and drink it as";
 						mes "deeply as you would life.";
-						set Zeny, Zeny-800;
+						Zeny -= 800;
 						getitem 12112,1; //Tropical_Sograt
 					}
 					close;
@@ -429,7 +429,7 @@ que_job01,82,95,3	script	Bar Master#moc_main01	1_ETC_01,{
 						mes "hard feelings, but you're";
 						mes "already lucky to be here.";
 						mes "Hey, enjoy your drink~";
-						set Zeny, Zeny-1000;
+						Zeny -= 1000;
 						getitem 12112,1; //Tropical_Sograt
 						close;
 					}
@@ -465,7 +465,7 @@ que_job01,82,95,3	script	Bar Master#moc_main01	1_ETC_01,{
 						mes "ask you for 800. Enjoy it,";
 						mes "my friend, and drink it as";
 						mes "deeply as you would life.";
-						set Zeny, Zeny-800;
+						Zeny -= 800;
 						getitem 12113,1; //Vermilion_The_Beach
 					}
 					close;
@@ -488,7 +488,7 @@ que_job01,82,95,3	script	Bar Master#moc_main01	1_ETC_01,{
 						mes "hard feelings, but you're";
 						mes "already lucky to be here.";
 						mes "Hey, enjoy your drink~";
-						set Zeny, Zeny-1000;
+						Zeny -= 1000;
 						getitem 12113,1; //Vermilion_The_Beach
 						close;
 					}
diff --git a/npc/quests/quests_moscovia.txt b/npc/quests/quests_moscovia.txt
index a181a81d9..740f1b038 100644
--- a/npc/quests/quests_moscovia.txt
+++ b/npc/quests/quests_moscovia.txt
@@ -3185,7 +3185,7 @@ mosk_in,135,191,5	script	Landlord#mos	4_F_RUSWOMAN3,{
 					mes "Ok, I'll bring you the best room.";
 					mes "Please have a rest, young adventurer.";
 					close2;
-					set Zeny,Zeny-5000;
+					Zeny -= 5000;
 					percentheal 100,100;
 					warp "mosk_in",215,181;
 					end;
@@ -3242,7 +3242,7 @@ mosk_in,135,191,5	script	Landlord#mos	4_F_RUSWOMAN3,{
 				mes "I wish you a good night's rest. Hohoho.";
 				set mos_swan,4;
 				close2;
-				set Zeny,Zeny-5000;
+				Zeny -= 5000;
 				percentheal 100,100;
 				warp "mosk_in",215,181;
 				end;
@@ -3332,7 +3332,7 @@ mosk_in,135,191,5	script	Landlord#mos	4_F_RUSWOMAN3,{
 		mes "[Landlord]";
 		mes "Please be comfortable.";
 		close2;
-		set Zeny,Zeny-5000;
+		Zeny -= 5000;
 		percentheal 100,100;
 		warp "mosk_in",215,181;
 		end;
@@ -3399,7 +3399,7 @@ mosk_in,141,212,3	script	Pub Owner#mos	4_M_RUSBALD,{
 			close;
 		}
 		if (Zeny > 999) {
-			set Zeny,Zeny-1000;
+			Zeny -= 1000;
 			set mos_swan,9;
 			if (!.@j) getitem 519,1; else getitem 531,1;
 			mes "[Pub Owner]";
@@ -3462,7 +3462,7 @@ mosk_in,141,212,3	script	Pub Owner#mos	4_M_RUSBALD,{
 		switch(select("Milk - 1000z:Apple juice - 1000z:They are all expensive!")) {
 			case 1:
 				if (Zeny > 999) {
-					set Zeny,Zeny-1000;
+					Zeny -= 1000;
 					set mos_swan,9;
 					getitem 519,1;
 					mes "[Pub Owner]";
@@ -3476,7 +3476,7 @@ mosk_in,141,212,3	script	Pub Owner#mos	4_M_RUSBALD,{
 				close;
 			case 2:
 				if (Zeny > 999) {
-					set Zeny,Zeny-1000;
+					Zeny -= 1000;
 					set mos_swan,9;
 					getitem 531,1;
 					mes "[Pub Owner]";
@@ -3999,7 +3999,7 @@ moscovia,208,182,7	script	Acorn Dealer#mos	4_M_RUSMAN1,{
 	mes "[Acorn Dealer]";
 	mes "Oh, thank you...";
 	mes "What do you think of them? They're fresh, aren't they?";
-	set Zeny,Zeny - .@price;
+	Zeny -= .@price;
 	getitem 1026,.@input;
 	close;
 }
@@ -10241,7 +10241,7 @@ mosk_dun02,48,214,5	script	Baba Yaga#rus32	4_F_BABAYAGA,{
 					delitem 1092,.@redtube_send;
 					delitem 7134,.@redcup_send;
 					delitem 512,.@redapple_send;
-					set Zeny,Zeny-.@redzeny_send;
+					Zeny -= .@redzeny_send;
 					getitem 545,.@total_red01;
 					close;
 				}
@@ -10328,7 +10328,7 @@ mosk_dun02,48,214,5	script	Baba Yaga#rus32	4_F_BABAYAGA,{
 					delitem 1092,.@yelltube_send;
 					delitem 7134,.@yellcup_send;
 					delitem 513,.@yellbanana_send;
-					set Zeny,Zeny-.@yellzeny_send;
+					Zeny -= .@yellzeny_send;
 					getitem 546,.@total_yell01;
 					close;
 				}
@@ -11184,7 +11184,7 @@ amatsu,233,234,3	script	Momotoro Publisher#rus42	4_F_JPN2,{
 		}
 		mes "[Momotoro Publisher]";
 		mes "Thank you for buying our books. If you need more books, contact us please.";
-		set Zeny,Zeny-5000;
+		Zeny -= 5000;
 		set rhea_rus_main,27;
 		getitem 7881,1;
 		close;
diff --git a/npc/quests/quests_nameless.txt b/npc/quests/quests_nameless.txt
index 258f01bc6..f38398b40 100644
--- a/npc/quests/quests_nameless.txt
+++ b/npc/quests/quests_nameless.txt
@@ -437,7 +437,7 @@ OnTouch:
 		set aru_monas,8;
 		changequest 17003,17004;
 		if (Zeny > 3000) {
-			set Zeny, Zeny-3000;
+			Zeny -= 3000;
 			getitem 12052,4; //Vit_Dish02
 		}
 		close;
@@ -6114,7 +6114,7 @@ in_rogue,366,46,3	script	Rogue Investigator	4_M_ROGUE,{
 		switch(select("Sounds good!:Never mind, I'll find it myself...")) {
 		case 1:
 			if (Zeny > 9999) {
-				set Zeny, Zeny-10000;
+				Zeny -= 10000;
 				mes "[Investigator]";
 				mes "Thanks for the money~";
 				mes "Of course, if you became";
@@ -6192,7 +6192,7 @@ in_rogue,366,46,3	script	Rogue Investigator	4_M_ROGUE,{
 		switch(select("Sounds good!:Forget it...")) {
 		case 1:
 			if (Zeny > 9999) {
-				set Zeny, Zeny-10000;
+				Zeny -= 10000;
 				mes "[Investigator]";
 				mes "Right on, right on.";
 				mes "Alright, I didn't charge";
@@ -7390,7 +7390,7 @@ payon,244,62,3	script	Moonho Ahn	4_M_HUGRANFA,{
 		switch(select("Yes, let's play!:How does this game work again?")) {
 		case 1:
 			if (Zeny > 500) {
-				set Zeny, Zeny-500;
+				Zeny -= 500;
 				mes "[Moonho Ahn]";
 				mes "Good, let's get started!";
 				mes "I'll let you go first~";
@@ -9380,7 +9380,7 @@ morocc,143,63,3	script	Ragged Man#nd	4_M_MIDDLE,{
 						close;
 					}
 					else {
-						set Zeny, Zeny-1200;
+						Zeny -= 1200;
 						mes "[Ragged Man]";
 						mes "Let's see... I just need";
 						mes "1,200 zeny. That's enough";
@@ -9459,7 +9459,7 @@ morocc,143,63,3	script	Ragged Man#nd	4_M_MIDDLE,{
 				mes "up the funds. I'll be waiting.";
 				close;			}
 			else {
-				set Zeny, Zeny-1200;
+				Zeny -= 1200;
 				mes "[Ragged Man]";
 				mes "Remember that hidden";
 				mes "treasure I was looking for?";
@@ -10499,7 +10499,7 @@ alberta_in,70,109,5	script	Shaman	4_M_UMOLDMAN,{
 			mes "If all goes well, you'll be";
 			mes "free of your curse, and I can";
 			mes "buy some Prontera real estate.";
-			set Zeny, Zeny-200000;
+			Zeny -= 200000;
 			set jewel_nd,14;
 			next;
 			mes "[Shaman]";
@@ -10550,7 +10550,7 @@ alberta_in,70,109,5	script	Shaman	4_M_UMOLDMAN,{
 			mes "Hopefully, the";
 			mes "spirits will be more";
 			mes "cooperative this time.";
-			set Zeny, Zeny-100000;
+			Zeny -= 100000;
 			set jewel_nd,16;
 			next;
 			mes "[Shaman]";
diff --git a/npc/quests/quests_payon.txt b/npc/quests/quests_payon.txt
index d412c9615..7f3c65a20 100644
--- a/npc/quests/quests_payon.txt
+++ b/npc/quests/quests_payon.txt
@@ -90,7 +90,7 @@ payon_in01,18,10,4	script	Mystic Lady	1_F_ORIENT_02,{
 			delitem 724,1; //Cardinal_Jewel_
 			delitem 949,200; //Feather
 			delitem 5001,1; //Headset
-			set Zeny,Zeny-5000;
+			Zeny -= 5000;
 			mes "Here, I will give you this pre-made one.";
 			getitem 2283,1; //Ear_Mufs
 			next;
diff --git a/npc/quests/quests_prontera.txt b/npc/quests/quests_prontera.txt
index d2a15064c..d4588e5c5 100644
--- a/npc/quests/quests_prontera.txt
+++ b/npc/quests/quests_prontera.txt
@@ -2894,7 +2894,7 @@ prt_church,185,106,3	script	Father Bamph	1_M_PASTOR,{
 					mes "to cover your Airship fee.";
 					mes "Thank you, and good luck.";
 					set aru_monas,6;
-					set Zeny, Zeny + (checkre(0)?5000:1500);
+					Zeny += (checkre(0)?5000:1500);
 					changequest 17002,17003;
 					close;
 				}
@@ -3639,7 +3639,7 @@ prt_in,162,99,4	script	Librarian#curse	1_F_02,{
 					mes "replacement copies,";
 					mes "and try not to lose";
 					mes "them again. Thank you.";
-					set Zeny, Zeny-700;
+					Zeny -= 700;
 					getitem 7431,1; //Books
 					close;
 				}
diff --git a/npc/quests/quests_rachel.txt b/npc/quests/quests_rachel.txt
index 715cbe7ee..a39d3de41 100644
--- a/npc/quests/quests_rachel.txt
+++ b/npc/quests/quests_rachel.txt
@@ -3478,7 +3478,7 @@ rachel,113,96,5	script	Mohadian	4_M_MIDDLE,10,10,{
 		mes "It's always a pleasure";
 		mes "doing business with you~";
 		delitem 7561,.@hearts; //Glacial Hearts
-		set Zeny, Zeny+.@totalprice;
+		Zeny += .@totalprice;
 		close;
 	}
 
@@ -4194,7 +4194,7 @@ S_Donate:
 		}
 		set $rachel_donate,$rachel_donate+getarg(0);
 		getitem 7570,getarg(0); //Temple_Lottery_Ticket
-		set Zeny, Zeny-getarg(0)*50000;
+		Zeny -= getarg(0)*50000;
 		set ra_have_donated,1;
 		if ($rachel_donate > 9999) {
 			cutin "ra_nemma03",2;
diff --git a/npc/quests/quests_veins.txt b/npc/quests/quests_veins.txt
index 4b35a132c..7c23f30a3 100644
--- a/npc/quests/quests_veins.txt
+++ b/npc/quests/quests_veins.txt
@@ -722,7 +722,7 @@ prontera,202,122,0	script	Kid#sch	4_F_KID2,{
 		mes "[Rooney]";
 		mes "Hey, alright! Thanks";
 		mes "for the cash! Heh heh~";
-		set Zeny, Zeny-100;
+		Zeny -= 100;
 		set que_sch,3;
 		close;
 	}
@@ -818,7 +818,7 @@ prt_church,89,108,6	script	Bard#sch	2_M_BARD_ORIENT,{
 		mes "kid that was supposed";
 		mes "to come find me here.";
 		set que_sch,2;
-		set Zeny, Zeny+100;
+		Zeny += 100;
 		next;
 		mes "[Lasda]";
 		mes "I'd like you to come";
@@ -1581,7 +1581,7 @@ job_duncer,93,106,6	script	Dance Instructor#sch	4_F_HUGRANMA,{
 			mes "your Megaphone. Thanks";
 			mes "for everything, and I'll see";
 			mes "you around, adventurer~";
-			set Zeny, Zeny-500000;
+			Zeny -= 500000;
 			set que_sch,18;
 			getitem 7040,1; //Megaphone
 			close;
@@ -1627,7 +1627,7 @@ job_duncer,93,106,6	script	Dance Instructor#sch	4_F_HUGRANMA,{
 				mes "so I'm not supposed to let";
 				mes "you have this. Don't let";
 				mes "anyone know I gave you this!";
-				set Zeny, Zeny-500000;
+				Zeny -= 500000;
 				getitem 7040,1; //Megaphone
 				close;
 			}
diff --git a/npc/quests/quests_yuno.txt b/npc/quests/quests_yuno.txt
index 50cca4535..f4d42aae1 100644
--- a/npc/quests/quests_yuno.txt
+++ b/npc/quests/quests_yuno.txt
@@ -529,7 +529,7 @@ S_DelItems:
 	delitem 7043,5; //Fine_Sand
 	delitem 757,3; //Elunium_Stone
 	delitem 756,3; //Oridecon_Stone
-	set Zeny, Zeny-2000;
+	Zeny -= 2000;
 	getitem getarg(0),getarg(1); //Gold
 	mes "[Bain]";
 	mes "AHHH, it is a success!";
@@ -657,7 +657,7 @@ S_DelItems:
 	delitem 7043,5; //Fine_Sand
 	delitem 757,3; //Elunium_Stone
 	delitem 756,3; //Oridecon_Stone
-	set Zeny, Zeny-2000;
+	Zeny -= 2000;
 	getitem getarg(0),getarg(1); //Gold
 	mes "[Bajin]";
 	mes "AHHH, it is a success!";
diff --git a/npc/quests/seals/brisingamen_seal.txt b/npc/quests/seals/brisingamen_seal.txt
index 72f4b9ddb..58e208c07 100644
--- a/npc/quests/seals/brisingamen_seal.txt
+++ b/npc/quests/seals/brisingamen_seal.txt
@@ -784,7 +784,7 @@ prt_fild08,175,374,3	script	Bard#brising	1_M_BARD,{
 					mes "represents the";
 					mes "heart of a poet!";
 					soundeffect "bragis_poem.wav",1;
-					set Zeny,Zeny-500;
+					Zeny -= 500;
 					close2;
 				}
 				else {
@@ -802,7 +802,7 @@ prt_fild08,175,374,3	script	Bard#brising	1_M_BARD,{
 					mes "and energetic music, eh?";
 					mes "As you wish~";
 					soundeffect "chaos_of_eternity.wav",1;
-					set Zeny,Zeny-500;
+					Zeny -= 500;
 					close2;
 				}
 				else {
@@ -822,7 +822,7 @@ prt_fild08,175,374,3	script	Bard#brising	1_M_BARD,{
 					mes "well with Assassins.";
 					mes "Don't you agree?";
 					soundeffect "assassin_of_sunset.wav",1;
-					set Zeny,Zeny-500;
+					Zeny -= 500;
 					close2;
 				}
 				else {
diff --git a/npc/quests/skills/bard_skills.txt b/npc/quests/skills/bard_skills.txt
index ccafb4b2a..012a9445f 100644
--- a/npc/quests/skills/bard_skills.txt
+++ b/npc/quests/skills/bard_skills.txt
@@ -1202,7 +1202,7 @@ morocc_in,166,76,7	script	Bartender#bard_qskill	1_ETC_01,{
 		mes "mild, but if you're not";
 		mes "careful, you'll pass out";
 		mes "in no time flat. Take it easy.";
-		set Zeny, Zeny-1000;
+		Zeny -= 1000;
 		getitem 12112,1; //Tropical_Sograt
 		close;
 
@@ -1232,7 +1232,7 @@ morocc_in,166,76,7	script	Bartender#bard_qskill	1_ETC_01,{
 		mes "Be sure that you";
 		mes "enjoy your drinking";
 		mes "without going crazy.";
-		set Zeny, Zeny-1000;
+		Zeny -= 1000;
 		getitem 12113,1; //Vermilion_The_Beach
 		close;
 
diff --git a/npc/quests/skills/blacksmith_skills.txt b/npc/quests/skills/blacksmith_skills.txt
index ba7bf82cf..42c7cd65b 100644
--- a/npc/quests/skills/blacksmith_skills.txt
+++ b/npc/quests/skills/blacksmith_skills.txt
@@ -184,7 +184,7 @@ geffen,178,72,3	script	Akkie#qsk_bs	4_F_JOB_BLACKSMITH,{
 						delitem 999,1; //Steel
 						delitem 971,1; //Detrimindexta
 						delitem 613,1; //Iron_Hammer
-						set Zeny, Zeny-500;
+						Zeny -= 500;
 						set BLACK_SK,2;
 						close;
 					}
diff --git a/npc/quests/thana_quest.txt b/npc/quests/thana_quest.txt
index 634b50308..408a200ce 100644
--- a/npc/quests/thana_quest.txt
+++ b/npc/quests/thana_quest.txt
@@ -92,7 +92,7 @@ hu_fild01,140,163,5	script	Tower Keeper	4_M_EIN_SOLDIER,3,3,{
 						mes "good work. Ah, and don't";
 						mes "forget: safety first when";
 						mes "you fight those monsters!";
-						set Zeny, Zeny - 3000;
+						Zeny -= 3000;
 						close2;
 						warp "tha_scene01",131,220;
 						end;
@@ -119,7 +119,7 @@ hu_fild01,140,163,5	script	Tower Keeper	4_M_EIN_SOLDIER,3,3,{
 				mes "you enjoy your visit";
 				mes "to Thanatos Tower~";
 				close2;
-				set Zeny, Zeny - 5000;
+				Zeny -= 5000;
 				warp "tha_scene01",131,220;
 				end;
 			}
@@ -496,7 +496,7 @@ tha_t01,140,78,4	script	Guide#reward	4_F_ZONDAGIRL,{
 			mes "and please keep up";
 			mes "the good work~";
 			delitem .@items[.@i], countitem(.@items[.@i]);
-			set Zeny, Zeny + .@zeny_tt;
+			Zeny += .@zeny_tt;
 			//getexp .@exp_tt,0;
 			close;
 		case 2:
diff --git a/npc/quests/the_sign_quest.txt b/npc/quests/the_sign_quest.txt
index 4c97821aa..ba0d259e9 100644
--- a/npc/quests/the_sign_quest.txt
+++ b/npc/quests/the_sign_quest.txt
@@ -4438,7 +4438,7 @@ cmd_in02,88,51,4	script	Strange Guy#sign	1_M_SIGNART,{
 		else {
 			mes "me. It also looks like you got zeny to spare! I think I'll help myself and borrow some of your cash!";
 			mes "^FF0000Yoink!^000000";
-			set Zeny, Zeny-10000;
+			Zeny -= 10000;
 			specialeffect EF_COIN;
 			close;
 		}
@@ -4520,7 +4520,7 @@ cmd_in02,88,51,4	script	Strange Guy#sign	1_M_SIGNART,{
 				mes "to me tomorrow night and";
 				mes "we'll start your test...";
 				set sign_q,27;
-				set Zeny, Zeny-30000;
+				Zeny -= 30000;
 			}
 			close;
 		case 2:
@@ -4768,7 +4768,7 @@ cmd_in02,88,51,4	script	Strange Guy#sign	1_M_SIGNART,{
 			mes "um, ''Bakerlan'' in Alberta.";
 			set sign_q,35;
 			getitem 7177,1; //Part_Of_Star's_Sob
-			set Zeny, Zeny+20000;
+			Zeny += 20000;
 			if (checkre(3)) {
 				if (BaseLevel < 60) getexp 300,0;
 				else if (BaseLevel < 70) getexp 700,0;
@@ -4813,7 +4813,7 @@ cmd_in02,88,51,4	script	Strange Guy#sign	1_M_SIGNART,{
 			mes "me. It also looks like you got zeny to spare! I think I'll help myself and borrow some of your cash!";
 			mes "^FF0000Yoink!^000000";
 			mes "Giggle giggle..";
-			set Zeny, Zeny-10000;
+			Zeny -= 10000;
 			close;
 		}
 	}
@@ -4826,7 +4826,7 @@ cmd_in02,88,51,4	script	Strange Guy#sign	1_M_SIGNART,{
 			mes "cash. You know, for old";
 			mes "time's sake. ^FF0000Yoink!^000000";
 			emotion e_gg;
-			set Zeny, Zeny-10000;
+			Zeny -= 10000;
 		}
 		else {
 			mes "I got nothin' for you and";
@@ -6339,7 +6339,7 @@ alde_alche,169,162,7	script	Alchemist#sign	4_M_ALCHE_B,{
 						mes "just one bottle, but this";
 						mes "stuff is extremely potent!";
 						next;
-						set Zeny, Zeny-10000;
+						Zeny -= 10000;
 						delitem 526,10; //Royal_Jelly
 						delitem 518,20; //Honey
 						delitem 948,30; //Bear's_Foot
@@ -11370,7 +11370,7 @@ niflheim,102,54,4	script	Mad Man#s	8_DOPPEL,{
 						mes "Heh heh!";
 						close;
 					}
-					set Zeny, Zeny-40000;
+					Zeny -= 40000;
 					close;
 				case 2:
 					mes "[Laichin]";
@@ -11389,7 +11389,7 @@ niflheim,102,54,4	script	Mad Man#s	8_DOPPEL,{
 						mes "crawling back when";
 						mes "you can't figure out";
 						mes "where the soul pieces are!";
-						set Zeny, Zeny-40000;
+						Zeny -= 40000;
 						if (.@select_s == 1) set sign_q,97;
 						else if (.@select_s == 2) set sign_q,98;
 						else if (.@select_s == 3) set sign_q,99;
@@ -11425,7 +11425,7 @@ niflheim,102,54,4	script	Mad Man#s	8_DOPPEL,{
 							mes "than the borders of the map.";
 							mes "For very small, you gotta";
 							mes "look near the center. Got it?";
-							set Zeny, Zeny-60000;
+							Zeny -= 60000;
 							if (.@select_s == 1) set sign_q,101;
 							else if (.@select_s == 2) set sign_q,102;
 							else if (.@select_s == 3) set sign_q,103;
@@ -11486,7 +11486,7 @@ niflheim,102,54,4	script	Mad Man#s	8_DOPPEL,{
 				mes "than the borders of the map.";
 				mes "For very small, you gotta";
 				mes "look near the center. Got it?";
-				set Zeny, Zeny-20000;
+				Zeny -= 20000;
 				if (sign_q == 97) set sign_q,101;
 				else if (sign_q == 98) set sign_q,102;
 				else if (sign_q == 99) set sign_q,103;