The Shadowward Nest

Orgionally called The Black Site, Shadowward Nest is a several-story tall apartment complex. While the lower levels appear to be like any other seedy tenant, the upper levels are a monastery dedicated to understanding the shadows of The Void. The first few floors are typical residential, with Boot's "apartment" being one of those on the upper floors.

A secret entrance to the tower allows access to those who know its location, which leads into the nest.

The first floor is a sanctuary, with a mess hall and some basic beds. This is a space for people brought into the nest by Boots and his followers - whether they're allies or people off the street who needed help. There is also a very rudimentary infirmary on this floor.
The second floor consists of apartments for the followers, including room for Acid and Crumbs, Ghost (if she decides to hop in), and Titus Orman. The people living on this floor can come and go via an elevator without having to walk through Boots' apartment every time, but Boots knows when they leave or enter (~paranoiaaaa~)
The third floor is for training. Fighting pits, punching bags, workout equipment, obstacle courses, you know.
The fourth floor is a lab that Acid use to twist the magic of The Void into enhancing drugs and potions
The fifth floor is where Boots spends most of his time. It is a space dedicated to the development of new techniques and spells.
The rooftop....