The Stone of Madness achievements

Find a macabre usage for the Flies spell

Steal supplies during the night 3 times

Ask for help from the Man in the Hat

Cast a spell while possessing a gargoyle

Witness the scourge of madness

Preach to a feathered congregation

Make a loud noise to create some panic

Use Possession with 5 Gargoyles

Open all the Chests of Saint George in Campaign 2

Exchange an egg for information

Unlock all skills during a single Campaign

Unlock all of Amelia’s skills during a Campaign