Greyheart Tidecaller

Greyheart Tidecaller can be found in Serpentshrine Cavern.

Abilities

 * Poison Shield: Protects the caster with a poisonous shield. When a spell, melee or ranged attack hits the caster, the attacker will be poisoned.  This expends one poison ball.  Only one ball will fire every few seconds.  Lasts 2 min.
 * Virulent Poison: Infects the target, dealing 4000 Nature damage every 3 sec. Stacks up to 3 times.
 * They have a chain lightning which silences everyone it hits but doesn't hit particularly hard.
 * They drop water elemental totems, which have around 5k health and spawn elite water elementals. The elementals can be CC'd normally and despawn with the totem is killed.