Thread:ShamelessNitpicker/@comment-3581997-20161025073324/@comment-30053419-20161025081538

Check the lore on the Draug: the Dreamers have at least some influence over those infected by the Filth, and the Vikings participating in the Darkness War walked away with a unique variant of the Filth; from the minds of the infected Norsemen, the Dreamers drew the myths of the Draug into reality as a mutation. So yeah, Loki knew about what was going to happen, but he isn't to blame for their transformation.