DB/Creature: Elemental Slave

By Killyana, closes #11742

sql/updates/world/2015_05_20_01_world.sql

@@ -0,0 +1,10 @@
+--
+DELETE FROM `spell_group` WHERE `id`=1121;
+INSERT INTO `spell_group` (`id`, `spell_id`) VALUES
+(1121,3671),
+(1121,3672),
+(1121,3673);
+
+DELETE FROM `spell_group_stack_rules` WHERE `group_id`=1121;
+INSERT INTO `spell_group_stack_rules` (`group_id`, `stack_rule`) VALUES
+(1121,1);