Iron Vengeance is a ironborn longship and a member of the Iron Fleet.
A Feast for Crows
The Iron Vengeance was among the ships that made the voyage to the kingsmoot. During the kingsmoot, Lord Captain Victarion Greyjoy ordered the Iron Vengeance and the Grief to stand between the Silence and the sea.
A Dance with Dragons
The ship accompanies the rest of the Iron Fleet when they sail for Slaver's Bay