"Do you really wish to know?" — Spoilers from the books and/or adaptations to follow!
Reidrich was a mage at Kaer Morhen and one of the last ones who knew the mutagenic secrets to create witchers. His death, along with the sacking of Kaer Morhen, led to the School of the Wolf's decline as they were no longer able to create witchers.
Biography[]
TBA