At the end of the bed, Pinkie smiled, bobbing to and fro as though nothing were amiss. Twilight let out a sigh of relief as I groaned in frustration, lowering the gun.

Behold, Pinkie Pie, the bedroom breaker of Equestria.

10570776
Yeah, I need to go back through and probably just redo the beginning.

"Oh!" Pinkie squeaked. "Spank me harder daddy~"

“Excalibur has agreed to help us as best he can,” Luna stated as she looked out over the gathered group of ponies. “We are to be expecting a friendly force shortly after he returns to his home galaxy. They shall aid us in intergalactic defense until we can figure out something for ourselves.”

I'm going to choose to interpret it as solar system, not galaxy, since that lines up more logically with what I know about the Warframe universe.
The only extragalactic mission they talk about is Tau in Andromeda, birthplace of the sentients, and the route that the Zariman disaster occurred