This article or section refers to elements from one of the Dune computer games.
In Emperor: Battle for Dune he is replaced by Mentat Yanich Kobal. A deleted clip shows you what fate befell him: a shaved-headed and battered Hayt De Vries being tortured in a pain amplifier chair. The Baron Harkonnen then rips out De Vries' heart-plug with orgasmic sadistic pleasure, sniffing the bouquet of the bloody plug before tasting it. His death is meant to encourage loyalty and success in the new commander.