Violence involves swordplay, bows and arrows and fisticuffs. In the case of the latter in particular, because our heroes have magic potion that gives them superhuman strength, this involves unrealistic, comically-toned violence such as one punch sending a Roman soldier flying.
When we first see the Gauls, not long after their introduction a big fight erupts within the Gaulish village over the perceived poor quality of the fishmonger's fish. This is undetailed and is comical in tone.