Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Osbert was Geralt, Gascaden and Clovis' teacher, until the day Geralt threw him off his horse and he lost the use of his right arm.