The Putrefactors.

Putrefactors hate the Great Elders and The Firm

When you are out of oxygene on Mars, you can drink a cranium liquuor, and Putrefactors will came to save you and steal your Betrayal.They will bring your body yo the Necro Surgeons who will somehow modify your body.This is why many people say its dangerous to drink a liquoor.

If you drink a liquoor to dont loose skill points when being out of oxygene, but the consequences might one day be terrible.

Putrefactors have a powerful army .Their boss, Ohkt, is called the divine hydra because hee changes deaths into mechanical beings.He is very very old.