WoW: Forever · Spell
Shadow spell · Priest
Assume Shadowform, increasing your Shadow damage by 10%, reducing the Mana cost of all Shadow spells by 50%, increasing the critical strike damage bonus of your Shadow spells by 100%, and reducing Physical damage taken by you by 15%. However, you may not cast healing spells while in this form. Shadowform costs and casts as follows: 40% of base mana, Instant. It is granted by a talent.