World of Warcraft®

Requires Demonology.

Teaches you the ability Dark Apotheosis.

Dark Apotheosis
You imbue yourself with demonic energies, reducing physical damage taken by 13.85%, reduces magic damage taken by 15%, and allows the use of various demonic abilities.

In addition, Soulshatter becomes Provocation which taunts your target, Twilight Ward becomes Fury Ward which will absorb all schools of damage, Shadow Bolt becomes Demonic Slash, and Fear becomes Sleep.

Your Corruption spell will heal you for 0.5% of your maximum health when dealing damage.

Your Shadowflame slow is increased to 70% but Hand of Gul'dan no longer has charges.

Your Soul Shards are transformed into Verdant Spheres.

Your Felguard will equip a random two-handed axe, sword or polearm from your backpack.

Increases the swim speed of targets affected by your Unending Breath spell by 20%.