Brings down walls and buildings, and rolls. It can go on a Round Tower.

Select it and click an enemy: it aims at it and its crew pushes it there. It doesn’t fire while it moves. It fires until nothing is left to hit, and its stones hurt every enemy near where they land. Shots land a little off target.

It needs siege stones from the Stone Press. The crew fetch them, or haulers bring them while it’s near your roads (see Ammunition).