Bael replied to Mircalla; "Well, more correctly said we kind of killed big pack of dangerous monsters which had plaqued these roads while and also came across to their source; a crazy gnome archmage's creation which created somesort special drug from consuming living bodies of people and turn the lifeless husks into aberrations which guarded and hunted in area. Drug kept group of engineer goblins keeping machine active. During the fight against toughest and biggest mutant created by machine one our comrades got critically injured, perhaps even dead, and crashed with machine to break it and both he and head mutant disappeared with magical mist."