As you attack, you mystically bind your sworn enemy's fate to yours, causing it to share your injuries.

Encounter   ✦     Divine, Weapon
Standard Action      Melee weapon

Target: One creature

Attack: Wisdom vs. AC

Hit: 3[W] + Wisdom modifier damage. Until the start of your next turn, you take half damage from any source and your oath of enmity target takes the other half.

Published in Divine Power, page(s) 16.