Honestly at this point, it just feel like the author just wants to see himself as a hero saveing the world/people and that's why he wrote this chapter.pš¤£š¤£š¤£š¤£
I think we're already diverging too much from the main plotline. It's good to have this character development once in a while, but seriously? What I was here for was the Jujutsu Kaisen's action-packed world.