Suggested by SonOfSparda195357
Fight to the death three rounds.
First round Infinite devil runes and magic takes place on the top of Temi-ni-gru.
Round two Melee fight all melee weapons that each character has or had is usable takes place where you kill Saddler in Resident Evil 4.
Round three full out fight. Weapons magic and items. Takes place in Rome. Guards will try to stop the fight even if they have to kill. Factions from Assassin’s Creed 2 can be hired to take care of guards or the opponent.