However, when the tower gets next to a wall, it can be set afire. Troops cannot climb the tower. They roll a dice. 1 to 3 means the fire is too big to put out, destroying the tower and anyone riding on it. 4 to 6 means the fire is out, but no troops may climb it that turn.
Ladders are hard to use.
A soldier with a ladder can be shot along the way. If the ladder soldier wins, he comes onto the parapet and another soldier is placed at top of the ladder. If he loses, the defenders can again try to push off the ladder. Whenever there are no attackers left to defend the ladder, a defender can try to push it off. Samurai and Siege rules for Hand to Hand Samurai always fight as individuals, whether confronting one man or many.