What?! That's crazy. So, if I'm getting it right, the mansion can just fix itself?

[Could it be the mansion is a Stand? He isn't sure if he ever heard of an object being a Stand before.]

This mansion... it hasn't tried hurting people before, has it? Like nothing has come trying to attack people? I guess I might be wrong, I don't really ever think this much, but maybe it might be an enemy in disguise.