List of changes Netflix made to The Witcher books..
Yennefer never lost her magic in the book.
A witch never possessed Ciri.
The Witcher didn't attempt to create more Witchers with Ciri's blood.
The elf sorceress did not join the Scoia'tael as their leader.
The Nilfgaardian wasn't captured and tortured by the Brotherhood.
Eskel wasn't turned into a Leshen and killed off.
Coen is from the School of the Griffin. On the show, he wears the Wolf medallion.
Francesca was never pregnant.
Ciri didn't go with Geralt when he met up with Nivellen.
Yennefer wasn't captured by Nilfgaard.