Sub as a noun is fine. Sub can just mean subscription (to a community) or “at a lower level” so lower than an instance, thus community.

Before leaving to where? The party after all? Or if it’s to home, why leave the gift?

oh right. But normal doors of rooms / lecture halls get locked too, if unused, at certain schools/universities

not escaping to a bathroom and not escaping the building are two different things entirely

im so confused. what happened