Tainted Elemental

Tainted Elemental spawns from the water at the foot of the stairs during Lady Vashj encounter.

Every 50 seconds, one Tainted Elemental spawns instead of an Enchanted Elemental.

Abilities

 * Poison Bolt - Random target, 1885-2115 nature damage plus 8 sec poison debuff for 2000 damage per 4 sec.
 * Immune to frost effects and damage
 * Does not move
 * Despawns after 15 seconds
 * Drops a Tainted Core (item) when killed