I think even if he wins the Fight, it's gonna spiral into the finale instead where the tournament has to be suspended while everyone deals with the mutual threat.
I understand very easily, but uh, I'm very familiar with their original myths and time loop stories in general. What do you need explained? Maybe I can help.
Man, I think it's such a chad move to check her resolve, and seeing she does have a hint of fear of death is the final piece to make him reach his own resolve.
The myth of mandagora and alraune is that those sentenced to death by hanging will end up, uh, releasing their last efforts to the earth below, and that creates these plant women.