You take shelter behind your trusty shield, protecting a nearby friend as well.

Encounter   ✦     Divine
Immediate Interrupt      Melee 1

Trigger: A close or an area attack against AC or Reflex damages you

Requirement: You must be using a shield.

Effect: You take only half damage from the triggering attack. The damage is also halved against one adjacent ally who took damage from the triggering attack.

Published in Divine Power, page(s) 97.