Question: witcher 3 who is the mysterious elf?
Answer: The Mysterious Elf was an elven sorcerer who helped Ciri evade the Wild Hunt and later disappeared. Geralt first learnt of the Mysterious Elf from Keira Metz whom he met while pursuing leads relating to Ciri in Velen. Keira stated that this mage visited and questioned her about Ciri some time before Geralt did.