World of Warcraft®

You receive 100% more healing from using a healthstone, but the health is restored over 10 sec.

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

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 Soul Shards no longer display while out of combat.

Your soulwell glows with an eerie light.

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