Tattoo of Shared VengeanceLevel 10 Uncommon

Swords, axes, implements, or other tools of war crossed in brotherhood serve well for these tattoos.

Wondrous Item        5,000 gp

Property

When a nonminion enemy scores a critical hit against you and deals damage, each ally you can see who also has a tattoo of shared vengeance can make a basic attack against that enemy as a free action.

Published in Adventurer's Vault 2, page(s) 85.