Someone is kicked out of the Secret Necromancer Club when it turns out they are actually a secret necromancer, unlike everyone else who is a demon cultist.
It was the Bard's Guild wot dunnit.
The new Mercenaries' Guild (since the old one got decimated and burnt down, IIRC) is competent and unfailingly professional.
Some new form of wildlife or sentience turns up and is driven to extinction by player action.