[Rei...are you really telling him about a potential tool that could revive people? He's immediately hung up on that, committing the name to memory even as he builds the mental timeline for himself.]

So Sailor Moon only survived because you guys protected her and the seal in the sun was made whole so Metalia can't come back. And you guys came back without having to go through the rebirth cycle because of some thing that the princess had. Can it be used more than once? And what came after the Metalia?