///ALTER TABLE `mob_db` ADD `attr` INT UNSIGNED NOT NULL DEFAULT '0' AFTER `Mode` 
///ALTER TABLE `mob_db2` ADD `attr` INT UNSIGNED NOT NULL DEFAULT '0' AFTER `Mode` 
Index: src/map/status.h
===================================================================
--- src/map/status.h	(revision 17271)
+++ src/map/status.h	(working copy)
@@ -1428,6 +1428,15 @@
 	MD_MASK               = 0xFFFF,
 };
 
+enum e_attr {
+	ATR_IGNOREMELEE        = 0x01, //takes 1 HP damage from melee physical attacks
+	ATR_IGNOREMAGIC        = 0x02, //takes 1 HP damage from magic
+	ATR_IGNORERANGED       = 0x04, //takes 1 HP damage from ranged physical attacks
+	ATR_MVP                = 0x08, //MVP - instant kill / coma-like skills don't work
+	ATR_IGNOREMISC         = 0x10, //takes 1 HP damage from "none" attack type
+	ATR_KNOCKBACK_IMMUNE   = 0x20, //can't be knocked back
+};
+
 //Status change option definitions (options are what makes status changes visible to chars
 //who were not on your field of sight when it happened)
 
@@ -1616,6 +1625,7 @@
 		speed,
 		amotion, adelay, dmotion,
 		mode;
+	enum e_attr attr; //attribute
 	short
 		hit, flee, cri, flee2,
 		def2, mdef2,
@@ -1780,6 +1790,7 @@
 #define status_get_race(bl) status_get_status_data(bl)->race
 #define status_get_size(bl) status_get_status_data(bl)->size
 #define status_get_mode(bl) status_get_status_data(bl)->mode
+#define status_get_attr(bl) status_get_status_data(bl)->attr
 int status_get_party_id(struct block_list *bl);
 int status_get_guild_id(struct block_list *bl);
 int status_get_emblem_id(struct block_list *bl);
Index: src/map/battle.c
===================================================================
--- src/map/battle.c	(revision 17271)
+++ src/map/battle.c	(working copy)
@@ -737,6 +737,7 @@
 	struct status_change *sc;
 	struct status_change_entry *sce;
 	int div_ = d->div_, flag = d->flag;
+	int attr;
 
 	nullpo_ret(bl);
 
@@ -745,6 +746,20 @@
 	if( battle_config.ksprotection && mob_ksprotected(src, bl) )
 		return 0;
 
+	attr = status_get_attr(bl);
+	if (attr) {
+		if (attr&ATR_KNOCKBACK_IMMUNE) //no pushback
+		    d->blewcount = 0;
+		if ( (attr&ATR_IGNOREMELEE && flag&(BF_SHORT|BF_WEAPON) == (BF_LONG|BF_WEAPON) )	//physical melee
+		|| (attr&ATR_IGNOREMAGIC && flag&(BF_MAGIC) )					//magic
+		|| (attr&ATR_IGNORERANGED && flag&(BF_LONG|BF_WEAPON) == (BF_LONG|BF_WEAPON) )	//physical ranged
+		|| (attr&ATR_IGNOREMISC && flag&(BF_MISC) )					//misc
+		) {
+		    d->damage = d->damage2 = 1;
+		    return 1; //do 1 dammage
+		}
+	}
+
 	if (bl->type == BL_PC) {
 		sd=(struct map_session_data *)bl;
 		//Special no damage states
@@ -760,6 +775,7 @@
 		if(!damage) return 0;
 	}
 
+
 	sc = status_get_sc(bl);
 
 	if( sc && sc->data[SC_INVINCIBLE] && !sc->data[SC_INVINCIBLEOFF] )
@@ -1692,7 +1708,7 @@
 	//Initial flag
 	flag.rh=1;
 	flag.weapon=1;
-	flag.infdef=(tstatus->mode&MD_PLANT && skill_id != RA_CLUSTERBOMB
+	flag.infdef=( (tstatus->mode&MD_PLANT) && skill_id != RA_CLUSTERBOMB
 #ifdef RENEWAL
 		&& skill_id != HT_FREEZINGTRAP
 #endif
@@ -3460,7 +3476,7 @@
 
 #ifdef RENEWAL
 		if( flag.cri ){
-			ATK_ADDRATE( sd->bonus.crit_atk_rate >= 100 ? sd->bonus.crit_atk_rate - 60 : 40 ); 
+			ATK_ADDRATE( sd->bonus.crit_atk_rate >= 100 ? sd->bonus.crit_atk_rate - 60 : 40 );
 		}
 #endif
 
Index: src/map/mob.c
===================================================================
--- src/map/mob.c	(revision 17271)
+++ src/map/mob.c	(working copy)
@@ -3739,18 +3739,19 @@
 	status->mode = (int)strtol(str[25], NULL, 0);
 	if (!battle_config.monster_active_enable)
 		status->mode &= ~MD_AGGRESSIVE;
+	status->attr = (int)strtol(str[26], NULL, 0);
 
-	status->speed = atoi(str[26]);
+	status->speed = atoi(str[27]);
 	status->aspd_rate = 1000;
-	i = atoi(str[27]);
+	i = atoi(str[28]);
 	status->adelay = cap_value(i, battle_config.monster_max_aspd*2, 4000);
-	i = atoi(str[28]);
+	i = atoi(str[29]);
 	status->amotion = cap_value(i, battle_config.monster_max_aspd, 2000);
 	//If the attack animation is longer than the delay, the client crops the attack animation!
 	//On aegis there is no real visible effect of having a recharge-time less than amotion anyway.
 	if (status->adelay < status->amotion)
 		status->adelay = status->amotion;
-	status->dmotion = atoi(str[29]);
+	status->dmotion = atoi(str[30]);
 	if(battle_config.monster_damage_delay_rate != 100)
 		status->dmotion = status->dmotion * battle_config.monster_damage_delay_rate / 100;
 
@@ -3762,7 +3763,7 @@
 
 	// MVP EXP Bonus: MEXP
 	// Some new MVP's MEXP multipled by high exp-rate cause overflow. [LuzZza]
-	exp = (double)atoi(str[30]) * (double)battle_config.mvp_exp_rate / 100.;
+	exp = (double)atoi(str[31]) * (double)battle_config.mvp_exp_rate / 100.;
 	db->mexp = (unsigned int)cap_value(exp, 0, UINT_MAX);
 
 	//Now that we know if it is an mvp or not, apply battle_config modifiers [Skotlex]
@@ -3784,13 +3785,13 @@
 	// MVP Drops: MVP1id,MVP1per,MVP2id,MVP2per,MVP3id,MVP3per
 	for(i = 0; i < MAX_MVP_DROP; i++) {
 		int rate_adjust = battle_config.item_rate_mvp;;
-		db->mvpitem[i].nameid = atoi(str[31+i*2]);
+		db->mvpitem[i].nameid = atoi(str[32+i*2]);
 		if (!db->mvpitem[i].nameid) {
 			db->mvpitem[i].p = 0; //No item....
 			continue;
 		}
 		item_dropratio_adjust(db->mvpitem[i].nameid, class_, &rate_adjust);
-		db->mvpitem[i].p = mob_drop_adjust(atoi(str[32+i*2]), rate_adjust, battle_config.item_drop_mvp_min, battle_config.item_drop_mvp_max);
+		db->mvpitem[i].p = mob_drop_adjust(atoi(str[33+i*2]), rate_adjust, battle_config.item_drop_mvp_min, battle_config.item_drop_mvp_max);
 
 		//calculate and store Max available drop chance of the MVP item
 		if (db->mvpitem[i].p) {
@@ -3807,7 +3808,7 @@
 		int rate = 0, rate_adjust, type;
 		unsigned short ratemin, ratemax;
 		struct item_data *id;
-		k = 31 + MAX_MVP_DROP*2 + i*2;
+		k = 32 + MAX_MVP_DROP*2 + i*2;
 		db->dropitem[i].nameid = atoi(str[k]);
 		if (!db->dropitem[i].nameid) {
 			db->dropitem[i].p = 0; //No drop.
@@ -3914,7 +3915,7 @@
 			}
 		}
 
-		sv_readdb(db_path, filename[fi], ',', 31+2*MAX_MVP_DROP+2*MAX_MOB_DROP, 31+2*MAX_MVP_DROP+2*MAX_MOB_DROP, -1, &mob_readdb_sub);
+		sv_readdb(db_path, filename[fi], ',', 32+2*MAX_MVP_DROP+2*MAX_MOB_DROP, 32+2*MAX_MVP_DROP+2*MAX_MOB_DROP, -1, &mob_readdb_sub);
 	}
 }
 
@@ -3939,12 +3940,12 @@
 		while( SQL_SUCCESS == Sql_NextRow(mmysql_handle) ) {
 			// wrap the result into a TXT-compatible format
 			char line[1024];
-			char* str[31+2*MAX_MVP_DROP+2*MAX_MOB_DROP];
+			char* str[32+2*MAX_MVP_DROP+2*MAX_MOB_DROP];
 			char* p;
 			int i;
 
 			lines++;
-			for(i = 0, p = line; i < 31+2*MAX_MVP_DROP+2*MAX_MOB_DROP; i++)
+			for(i = 0, p = line; i < 32+2*MAX_MVP_DROP+2*MAX_MOB_DROP; i++)
 			{
 				char* data;
 				size_t len;