Characters or beings from different multiverses or universes or whatever are called espers or snapshots versions
2.there have been 3 arcs so far 1.the starting arc(chapter 1-2) 2.the first floor arc(chapter 3-9) and 3.the second floor arc or the barren arc(chapter 10-14 for now)(this was made before chapter 14 was even made)
3.Crimes for my world Murder Abuse Child abuse Kidnapping Poaching Torture Theft Necromancy Starting a war Making a apocalypse Killing cops Framing Fraud attempted murder assault assassination