A catapult is fired once at a castle, which doesn't get hit.
The violence to be mentioned below is very mild and somewhat cartoonish.
Countless arrows and catapult rocks are fired at multiple ships. One man gets hit by a stone, but is still standing like nothing happened. A ship takes fire. A tree log causes a ladder to get destroyed, and some people to fall into water.
Several people fight with swords. Several stuff get destroyed. A man attempts to set a house in fire, but gets interrupted.