In a universe where Damian was raised by Bruce since birth and never was told his siblings were adopted
Damian, age 12 helping unpacking things at Dicks new apartment: whos that?
Dick: Who?
Damian: That guy in the photo with you
Dick:
Dick: you mean- my dad? I never showed my parents to you?
Damian: there is no way thats our dad
Dick: our? Damian you- you know I’m adopted right?
Damian:
Dick:
Dick: we are all adopted, Damian.
Damian:
Damian: Even Cass?
Dick: you were there at her adoption.
Damian: I’m twelve! Probably didn’t payed attention to it.
Dick: you never asked yourself why do we don’t call Bruce ‘dad’?
Damian: I thought it was some petty teenager thing!
Dick: I’M 26!
Damian:
Damian: is Tim adopted?
Dick: yes?
Damian: knew it.