A bolt of frigid starlight shines down and bathes your foe, causing the creature to suffer a spasm of agony just as it attacks you.

Encounter   ✦     Arcane, Implement, Necrotic
Immediate Interrupt      Close burst 4

Trigger: An enemy hits you with a melee attack

Target: The triggering enemy in the burst

Attack: Charisma vs. Will

Hit: 1d8 + Charisma modifier necrotic damage. The target chooses either to deal half damage to you with its melee attack or to take 1d8 extra necrotic damage.

  Star Pact: The attack deals 1d8 + your Intelligence modifier extra necrotic damage.

Update (3/9/2010)
Remove "in burst" from trigger line and add it to the target line.

Published in Arcane Power, page(s) 76.