A lot of the violence is comedy but some of it is quite disturbing.
A wizard is hit in the back with a knife and he falls, showing the knife in his back.
A wizard is pushed off a building.
Rincewind and a dragon-lady fight upside down with swords.
There is a large swordfight involving bandits and most of the good characters.
Some wizards attempt to capture Rincewind and mention burning the sacrificial pyre with him in it. They then start firing spells at them and Twoflower is hit.
There is a large tavern brawl with a lot of fist-fighting and darts flying about.
Rincewind kicks a man in the crotch and claims it was magic, "a collapsing spell".