Why do heresy missions all have 'Endless hordes'?

[zaygr]

[Joke] new conditions suggestions

Mutants’ Mutiny: uh oh, some slipped mutant juice in your rations, there is a chance for allies to randomly turn into mutants for a short duration (ogryns have double the chance, cause they eat a lot) Flamer convention: You crashed the wrong party, flamers spawn rate increased by 1000%. 360 no scope: the level is infested with snipers, snipers aim and shoot 75% faster. Gas Leak: health depletes over time, hope you brought a mask. Hunting grounds: this one is silly, but, more hounds…