Description
345 Mana, instant, 1.5 sec cooldown. 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.
Position confidence
row: Confirmed (talentsforever.com JSON + foreverchanges.pro tier listing); column & arrow: Reported (explicit only in talentsforever.com data/priest.json)
Change notes
Classic: +15% Shadow damage, no Holy spells. Now +10% damage, -50% Shadow mana cost, +100% crit bonus, no healing spells.