Shadowform
Client records describe this reading. They do not confirm availability in gameplay.
Current client record
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.
Sourced change history
No changes in the tracked log could be matched to this record. This does not mean the ability or item has never changed.