https://gamerant.com/the-wicher-3-ending-geralt/
I think good stories must have an ending. You cannot extend them indefinitely, and we felt that Geralt has had such an amazing adventure, and his saga is already so long and complex that this seemed like a good point to think about an appropriate finale for the storyThe Witcher universe is a very big place with a lot of NPCs, a lot of characters, a lot of places we haven’t shown yet. So, we might return to it at some point…but we think that this is a good place to let Geralt enjoy his retirement and try something new.