The Witcher origin story is quite fascinating. Geralt, a Witcher, was created through a series of mutations. Young boys were selected and put through a dangerous process. They were given various elixirs and subjected to mutations that enhanced their physical abilities, senses, and combat skills. This was all in the name of creating a force to combat the monsters that plagued the land. The Witchers were trained at the School of the Wolf, among others, and Geralt became one of the most well - known Witchers, traveling the Continent, taking on contracts to slay beasts.