[quote=@Zoldyck]
<Snipped quote by Nightmare Bunny>

But then... how are there windows and trees and such?
[/quote]

...there are trees? Oh, wait-- Potato's post.

Hm... it could be a building within an underground facility. A large underground facility. And the trees could be, uh... potted plants. That are being sustained by someone with plant-related powers. Yeah.

-edit-

Found the thingy. Here's the important part of what she said.

[quote=@XxFellsingxX]
Sure, that'd be good.

Hmm, well, it is underground for one and no one besides Nina and most of the teachers no where it is located. Defenses? Hmm, I really haven't thought much about it. They probably have passwords for the main entrance and other doors and... I don't know, I like to imagine if security is breached, little attack turrets come out and shoot at you XD

[/quote]