Brilliant fire erupts from your ally at your word, blinding the enemy who sought to harm your friend.

Daily   ✦     Divine
Immediate Interrupt      Ranged 10

Trigger: An enemy within 10 squares of you makes an attack roll against you or your ally

Target: The triggering enemy

Effect: The target is blinded until the start of your next turn.

Published in Player's Handbook 2, page(s) 116.