Ve hře Zaklínač, in any given boj, the object is for Geralt to win, either by killing or frightening off his foes. This is achieved by inflicting as much poškození on opponents while taking as little poškození from them as possible. Poškození inflicted can be enhanced positively (for Geralt) by making use of zbraně and signs which increase the kritický efekty that some of these possess. Poškození can also be negatively enhanced (i.e. be more damaging to Geralt) as well, if his opponents possess weapons of their own which enhance some critical effects.