Ezrachi is a Veteran Battle-Brother and Apothecary of the Excoriators Chapter. His right leg was a full bionic replacement and almost as old as Ezrachi himself. While robust and powerful, his bionic leg sighed with hydraulic insistence and lagged a millisecond behind its flesh-and-bone equivalent, giving him the impression of walking with a slight limp. He was responsible for the experimental procedure that shocked Zachariah Kersh out of the fugue state known as Dorn's Darkness.