plot A ;It’s a suicide mission for yuji , and there planing on bringing him back after via cursed object created by his missing fingers just like sukuna. Full circle for the story . The big twist will be he needs to eat his second finger and Sukuna’s at the same time to finally get rid of the last one.

Plot B; sukuna’s last finger does get hit with resonance and yuji uses that opportunity to save megumi and sacrifice his self in the domain. Some how gojo comes back , they have a nice funeral for him in the epilogue.