A train of such ridiculous excess that its never used by anyone but the most privileged.
The LightTrain.
It uses the same technology as FTL starships to arrive at its destination instantly.
Though this does require lengthy venting processes for the radioactive dust produced by FTL travel.

That said I definitely did not just post my tits here with a caption about being some sort of sex toy. Not at all. That would never ever happen.

Fuck yeah sloths!

Damn, that's rough...

Aw! I hope he does...

This is in fact, because I decided it was canon, the only instance of intelligent alien life in FHSD, interestingly enough.

Indeed! The Church of the Saint of the New Dawn does as well, that being red, black, white, and gold.

The story involves some space marine women investigating a derelict ship. On it, they find strange masses of black goo. This substance works its way into one of their suits and... kinda completely replaces her entire being with a piece of an alien hive mind.

There's also Intigrelt,with their red, blue, and silver

It's pretty rare that I post anything from my first book, because I'm embarrassed by the writing quality. Makes me happy when I get something I can be happy with enough to show.