Thanks Okuto! Always on Withe Dwarf I read a war story, with truly good painted miniatures, that tell of the poor croot auxiliary troops during a battle against Slaaneshi worshippers, being cannibals, the Kroots ate the corpses of the dead slaanesh followers which they killed, and became tainted transforming themselves in enemies (nice the minis of Kroot with chaotic look!). The Tau, after the won battle, burned the corpses of the tainted Kroots. Maybe the Kroots can be tainted being a more wild race than the Tau.