World of Warcraft®

Your Corruption spell will heal you for 20% of the damage dealt.

Increases your maximum Soul Shards by 1.

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 and Shadow Bolt becomes Demonic Slash.

Your Felsteed and Dreadsteed can cross water while running and leave a trail of flames.

Splits your Shadow Bolt into three smaller attacks.

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