Characterization and changes in season 2. 

Cersei is substantially softer on the mostra than in the books,Arya is similarly toned down (she’s a lot less spunky), perhaps most importantly, Tyrion is very much starting to come across as a one-note bird,singing the constant song of frustration.
parole chiavi: Game of Thrones, season 2, Arya Stark, cersei lannister, tyrion lannister, renly baratheon, asha greyjoy, petyr baelish