Idk who made this fpe murder au or idk

Lore:

Sans failed to stop frisk, before she escaped and reset this timeline, he gets back, he went mad after the classmates trying to make us, so he decided to kill those monster's and humans, that was simply teachers, students and even Chara, his arm and leg was severely broken, his scars was just Chara trying to open the door, and kills her before taking her eye and her necklace before he went stronger and starting a rampage, abuse, and torture, and now he was the next limit, the entire school was murderered and covered with blood and dust, he has a hallucination of papyrus that he abused and tortured him.

@ENGEL_FPE