Genestealer Cults
When the Tyranid bioform known as Genestealer infects members of another species with its genetic code, the victims reproductive system is changed dramatically. Their children will be a grotesque mixture of the host’s race and genestealers. These hybrids infect further victims, and the infection spreads exponentially. The Cult on Necromunda calls themselves „The Children of the Hive“, not knowing how close their chosen name is from the horrible truth.