In the Novigrad, the side quest "A Feast for Crows" is a reference to the "A Song of Ice and Fire" series by George R. R. Martin, both in that the name of the side quest is directly lifted from the fourth book in the series, and that it references events from the first book "A Game of Thrones". In the small isle of Kaer Almhult, one of the sky cells has a dead dwarf inside as a reference to when Tyrion Lannister was imprisoned inside the Eyrie's sky cell by Lysa Arryn. Geralt will say upon examining the body: "Sky cells... Nice idea for a prison without bars. Shame he didn't know how to fly".