X-Men Mansion MOC

I’m currently building my first ever big project on Bricklink Studio and as you can guess by the title it’s the X-Mansion! I don’t think the Lego set was bad for what it was forced to be but I think it’d be way better as a standalone set. So that’s what I’m trying to do rn. To not have such a big mansion so cramped. I’m still at the first part of the MOC which is the danger room and I wanted to ask how it looks so far and what I should change/add to it (it isn’t finished). Also what’d be...