-Dust and Horror and Nightmare know about her past life and they were angry at the people who hurt her and made her life miserable-
-Killer doesn't want Nightmare to know that she was experimented on-
-Killer is like a mom to all the bad Sanses except for nightmare-
-Killer hates her past lives parents and her bullies aka her murders-
-She wears a black tank top and shorts for her pajamas-
-she is obsessed with Knifes and sharp things-
-She wants to have a family of her own one day-
-She knows that Dust is in love with blueberry and Horror is in love with lust and farm and Dance-
-Killer is a natural flirt-
-Killer Dislikes Dream for not helping nightmare when he was being bullied-
-Her ecto body is red and it's permanent-
-Killer hates Gaster and Frisk with all her soul-
-Her soul is really powerful-
-Killer is really loyal-
-Killer wears long black fingerless gloves-
-Killer has really bad Nightmares about the genocide run and she sometimes has Nightmares about Nightmare dying right in front of her because of Dream-
-Killer loves cats-
-Killers clothes can repair them selves because of her demonic magic-
-She has Two Cats one is named soop and the other Luna and she will be adopting a lot of cats in the future in the story-
-she has her initials engraved on the handle of her Knifes-
-She is the right hand woman of nightmare-
-She and Nightmare will have a lot of kids in the future in the story-