ChaosVoid_24
This arisu goes with him to a new world or just to fill in the story, because if it doesn't go with him to a new world it's kind of pointless to get into this subject
While I know he might due to him caring for Alfred, I would hope that before he leaves the world he had been working on some sort of super advanced technology that can't ever be used as a weapon or taken apart to use pieces for weapons, to help revive the world so Alfred can have a big sense of accomplishment of who he has raised & also so he & his kids can enjoy the world if they don't go with the Mc.