c4 no breathe

Above them, orbiting near the battle in space, helpless refugee ships struggled with supposed engine problems, and weapons platforms with military grade cloaking waited silently, the cargo holds of both packed with girls in space combat suits, with as high a ratio of girls from the space stations as possible.

They didn't need the suits, since they didn't need to breathe, but it was a lot less taxing on the soul gem to have the suit. In the same way, they could all fly their way through a vacuum competently, but the maneuvering jets used less magic.

(To The Stars, Chapter 4)