continue where the manga left
You're literally wasting your time redoing what has already been done
it's like painting green grass with green paint and saying "uhhh, well done me, gib praises pls!"
p.s. - there was ~0 sacrifice in his deed, he just logically bet on Skelly's ability and tried to make it most favorable for himself in the next run also making Skelly forgive him and not leave him aside cuz of Rubia's death, 100% usual selfish raven
1. discovered save\load mechanism
2. abused...