The Tower belongs to the other Wayne.

( just in case that was unclear. damian's head jerks up, chin tipped towards the ceiling. )

He lived here with his parents. I would ask that you allow him to keep the space in which he feels most comfortable. He is young, the transition has been... difficult.

( and damian is protective of this younger version of his father, who is still adjusting to the idea of having an extended family. )