Khiste was an agent of the Great Houses. Although originally human, he was biologically altered by their technology with military augmentations. Each regeneration caused his skin to mutate, and he developed large plates of tough, metallic blue-grey skin over most of his body. This gave him enormous physical strength and durability.

Khiste helped Chris Cwej defend the bottle universe on Simia KK98 and prepare it for invasion from the Homeworld. In the bottle universe, he had sex with Christine Summerfield. (PROSE: Dead Romance)

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