sanctuary

Duke is a diukon that had risen to a position of power in the Chicago mob. He did this courtesy of a rage controller that enabled him to overcome his natural tenancies for violence and rage.

Biography

Season 2

Episode 2x09 - "Penance":
Duke tracked Jimmy to Old City to obtain the Tunisian fire elemental he had stolen. He kidnapped Will Zimmerman and forced Helen Magnus to give up Jimmy in exchange. Jimmy turned himself over in order to save Will and Helen but left the Fire Elemental in the van and replace it with a bomb. He entered Duke's car and detonated the bomb, killing them both.

Notes

References