You suddenly wake on an unknown ship and realize you are walking around a dark room it's almost as if you weren't asleep or unconscious just unaware. Your hearing pops back and you realize you are talking with an odd voice which is originating from a dark cavity in the wall.

The last one died in a painful scream, the one before him went up in flames, the second fell to mutiny and the first one, he killed me. later most of my long-time rivals became figments of history, forgotten, useless oh but not me. It takes real power to resist a ravager bullet, not even I could do it, you may be confused, I get it, I didn't understand it at first too, but don't worry minds can't understand concepts like these anyways, for that you need to connect to the greater consciousness. We are the ghost fleet, a hive-mind within the blood cult and we are dead, yet we still exist. I am their leader Salocin. Can you see me? No, I can't see you either as I am dead, the dead do not see or feel, I can only see you through the eyes of my living hive-mind slaves um actually "recruits" is what I meant to say. Now let me treat you to my fleet outside,
A door opens and you walk outside, you are on a barren planet with oxygen and a little plant life. growing in the cracked rocky landscape catches your eye. you are on a base that looks like some sort of rotting animal. Though you swear you hear blood pumping through it Salocin assures you it's been dead thousands of years.
You take a good look at Salocin, he is tall and his skin is rotting, his eyes are pitch black but always moving sporadically. He takes you through a door and shows you some ships that have landed at the base.
Creatures of the fleet...
Flesh-Scout

These slave operated creatures go up to an enemy and scan them, they will return to use if called, we don't call...
The Blood-cell

A small prisoner operated fighter, hence the name.
Suffering

Usually leads Blood-cell squadrons and ehrm, "disposes" of traitors.
Ghoul

This will douse you with blood until it bleeds to death.
Hiveminder

These peculiar beings can telepathically communicate and hence swarm their enemies.
Demon

They look like creatures from hell, a nonexistent place from mythology.
Paralysis

If a mortal looks at it too long they will be "recruited" into the hive-mind.
Jaw

They will devour you whole as they are the only ones who still need to eat.
Eternity

Looking at it a few seconds too long is enough to "Recruit" you.
Scar

Our most numerous battleship, it will leave your fleet as shards of cosmic debris.
As a ghost I don't enjoy or need most essential human activities, but I recommend you ally us and the wider blood cult, for now farewell.
You spot your ship and leave, thinking about what you just experienced and whether the Blood cult will ever be stopped.
Ships I'm currently working on. Currently not in lore. (SPOILERS!!!)
Antichrist