3 files changed, 18 insertions, 1 deletions
diff --git a/src/map/battle.c b/src/map/battle.c
index 91563d939..1e1c16c7f 100644
--- a/src/map/battle.c
+++ b/src/map/battle.c
@@ -3133,6 +3133,14 @@ int battle_weapon_attack( struct block_list *src,struct block_list *target,
 
 			if (tsd && sd->sp_drain_type)
 				pc_heal(tsd, 0, -sp);
+
+			if (target && target->type == BL_PC && rand()%1000 < sd->sp_vanish_rate)
+			{
+				sp = tsd->status.hp * sd->sp_vanish_per/100;
+				if (sp > 0)
+					pc_heal(tsd, 0, -sp);
+
+			}
 		}
 	}
 	if (rdamage > 0) //By sending attack type "none" skill_additional_effect won't be invoked. [Skotlex]
diff --git a/src/map/map.h b/src/map/map.h
index c56e4c886..26e5875f4 100644
--- a/src/map/map.h
+++ b/src/map/map.h
@@ -341,6 +341,7 @@ struct weapon_data {
   	short sp_drain_rate;
   	short sp_drain_per;
   	short sp_drain_value;
+
  	short add_damage_classid[MAX_PC_BONUS];
  	int add_damage_classrate[MAX_PC_BONUS];
   	int add_damage_class_count;
@@ -623,6 +624,8 @@ struct map_session_data {
  	short hp_loss_type;
  	short sp_drain_type;
  	short sp_gain_value, hp_gain_value;
+	short sp_vanish_rate;
+	short sp_vanish_per;	
 	short add_drop_count;
 	unsigned short unbreakable;	// chance to prevent ANY equipment breaking [celest]
  	unsigned short unbreakable_equip; //100% break resistance on certain equipment
@@ -1100,7 +1103,7 @@ enum {
 	SP_SP_GAIN_RACE, SP_SUBRACE2, SP_ADDEFF_WHENHIT_SHORT,	// 2031-2033
 	SP_UNSTRIPABLE_WEAPON,SP_UNSTRIPABLE_ARMOR,SP_UNSTRIPABLE_HELM,SP_UNSTRIPABLE_SHIELD,  // 2034-2037
 	SP_INTRAVISION, SP_ADD_MONSTER_DROP_ITEMGROUP, SP_SP_LOSS_RATE, // 2038-2040
-	SP_ADD_SKILL_BLOW //2041
+	SP_ADD_SKILL_BLOW, SP_SP_VANISH_RATE //2041
 };
 
 enum {
diff --git a/src/map/pc.c b/src/map/pc.c
index 31269c150..a46f34611 100644
--- a/src/map/pc.c
+++ b/src/map/pc.c
@@ -1843,6 +1843,12 @@ int pc_bonus2(struct map_session_data *sd,int type,int type2,int val)
 		}
 		sd->sp_drain_type = val;
 		break;
+	case SP_SP_VANISH_RATE:
+		if(sd->state.lr_flag != 2) {
+			sd->sp_vanish_rate += type2;
+			sd->sp_vanish_per += val;
+		}
+		break;
 	case SP_GET_ZENY_NUM:
 		if(sd->state.lr_flag != 2 && sd->get_zeny_rate < val)
 		{