A amalgation of multiple Sans in one, it looks like a ring, it doesn’t talk really, its more like a quiet person
Very overprotective to his brother Pappy / Papyamalgation / Papyrus, you can free their abomination souls with a heart shaped locker so it goes back to a single Sans, or you can hurt it and absorb it
Even more powerful than the original Sans and the some AUs that aren’t inside of it, its big and it looks like a ring, it doesn’t really talk, and if he does is like non-understandable