... It was the only way. I didn't want it but... Minato was happy with that outcome. I just wish I could have saved him and-

No. Please, don't make the same sacrifice. It's not fair to you, to die for people who don't wish to live anyways. It's not fair!

[His voice rises a bit, a bit more emotion and desperation showing through, but he gets a hold of himself once the Professor continues speaking.]

It has to be someone living. I imagine that if a Player tried it, it'd be the same as them getting erased, and even then, the seal might not stick.