The divine might of your attack extends your shield's magical protection to your ally.

At-Will   ✦     Divine, Weapon
Standard Action      Melee weapon

Requirement: You must be using a shield.

Target: One creature

Attack: Strength vs. AC

Hit: 1[W] + Strength modifier damage, and an ally adjacent to you gains resist 2 to all damage until the end of your next turn.
Level 11: Resist 5 to all damage.
Level 21: Resist 10 to all damage.

Published in PH Heroes: Series 2.