Not gonna lie I kinda like Zero now...
It was wrong for Oscar to try and kill a grieving man but he did.
He is responsible for the creation of Pure and somehow the way Oscar died was also poetic.
I am betting Immortui didn't truly bring him back from the dead but just saved him from the verge of death. Also if Immortui does bring his students back I am betting they will be as demons that no long resemble who they were.
The birth of Zero. Was Sabreâs soul meant to haunt Earth had Rex never stepped in or was it merely fluttering between two planes undecided which direction to go?