Aku'mai

Aku'mai, an ancient evil, carries within him a small measure of the Old Gods' power. This three-headed hydra is greatly feared for his mindless savagery and insatiable hunger for living flesh, but the Twilight's Hammer worships him as a divine sign that the Old Gods will soon return.
Aku'mai
Aku'mai the Devourer, scion of the Old Gods, will devour Azeroth unless stopped.
Venom
Aku'mai spits caustic venom at an enemy, inflicting 164 Nature damage.
Tearing the Void
Aku'mai widens the portal, allowing more pieces of himself to emerge from the void.
Falling Debris
Aku'mai tears at the cave's walls, causing falling debris that inflicts 45 Physical damage every 3 sec. to random enemies.
Aku'mai the Venomous
The venomous head of Aku'mai the Devourer.
Venom
Aku'mai spits caustic venom at an enemy, inflicting 164 Nature damage.
Toxic Bile
Fires a ball of venom at a random enemy's destination that does 164 Nature damage on impact and leaves a pool of Toxic Bile.
Deep Terror
One of the countless slimy appendages of Aku'mai the Devourer.
Crush
Aku'mai's tentacle slams the ground, inflicting 100 Physical damage and stunning all enemies in a cone in front of the caster.