DB/Creature: Iron Rune Avenger - Add CREATURE_FLAG_EXTRA_NO_PLAYER_DAMAGE_REQ

sql/updates/world/2016_02_11_05_world.sql

@@ -0,0 +1,2 @@
+-- Iron Rune Avenger
+UPDATE `creature_template` SET `flags_extra`=(`flags_extra`|2097152) WHERE `entry` IN (26786);