Zhematy are shorter than most humans with skin grey to tan, large eyes, are completely hairless and have no outer ears. The first generations arrived to the known lands about 30 years ago in a flotilla of strange ships, suffering from an unexplained progressive memory loss that has lead to an almost total forgetting of their culture and history, the only clue being a trance-like compulsion to engrave labyrinth patterns on random surfaces. The location of their homelands remain a mystery.