I don't understand it. The blight should have worked!
No sense worrying about it now.
<The apothecary seems relieved for some reason.>
Though it doesn't work on the Onslaught for some strange reason, we still need to keep their priests from raising them.
I have another idea, one that their corpses shouldn't have any protection from.
<name>, take a container of my rats and unleash them upon any Onslaught corpses you come across at New Hearthglen. I starve the vermin, so they should be voracious!