Jujutsu kaisen, A world is filled with Cursed Energy, but ordinary people can't see it, or Cursed Spirits. However, since all human beings experience most of these emotions, they possess cursed energy to some extent—if the threshold is crossed, grants them to become Jujutsu Sorcerers. Cursed Energy is a flow of Negative Emotions. To much of it can result in the birth of Cursed Spirits, a race of spiritual beings whose main desire is to bring harm to humanity. Cursed Spirits are shown as Enemies.