Shadowform

Assume Shadowform, increasing your Shadow damage by [s2]%, reducing the Mana cost of all Shadow spells by [m4]%, increasing the critical strike damage bonus of your Shadow spells by [m5]%, and reducing Physical damage taken by you by [s3]%. However, you may not cast healing spells while in this form.

Shadow damage you deal increased by [w2]%. Mana cost of all Shadow spells reduced by [w4]%. Critical strike damage bonus of Shadow spells increased by [m5]%. Physical damage you take reduced by [s3]%. You may not cast healing spells.