Keeper's ShieldLevel 9 Uncommon

This black iron shield with gilt edges allows your allies to make long-range attacks with less risk.

Arms Slot: Heavy shield        4,200 gp

Property

Allies adjacent to you gain a +2 shield bonus to AC and Reflex against opportunity attacks provoked by using ranged or area powers.

Power ✦ Daily (Immediate Interrupt)

Trigger: An ally adjacent to you provokes an opportunity attack by using a ranged or area power.

Effect: The opportunity attack targets you instead.

Published in Adventurer's Vault 2, page(s) 54.