Osbert was a witcher-instructor of the School of the Wolf at Kaer Morhen.


Through years, Osbert taught many young trainees who had just passed the Trial of the Grasses; among them Geralt of Rivia, Gascaden, and Clovis. One day, Geralt threw him off his horse and Osbert broke his right arm.

Community content is available under CC-BY-SA unless otherwise noted.