Source: Towns of the Inner Sea, pg(s). 5
Mason Karbie is the leader of the Barge Gang in the Absalomian town of Diobel. He is an intimidating, vicious man with long arms, oily hair, and a facial scar. Mason is short, old, and has a reputation of some skill with a knife. He walks with a limp, possibly acquired in his dealings with the Kaldroon family.