Dune: Ixians and Tleilaxu House Expansions

TLEILAXU: Led by a small council of Tleilaxu Masters the fanatic, xenophobic Tleilaxu were tolerated because of their useful genetic engineering superiority. IXIAN: The cyborg, Prince Rhombur of House Vernius, leads the Ixians who are masters of manufacturing and technologies only they know how to deploy.