This adventure brings players investigation the disappears of local craftsmen. If they fallow the clues it will lead them through the outland city of Rigus to the plane of Acheron. They will then find the Iron fortress and the warlord Imperagon.
The adventure describes one of the cubes named Kolyoral. There are multiple agents at play on the cube as well as the imposing fortress.
This adventure doesn't have any pending change requests.