John Undertale, internalized with guilt, must prove himself and save his friends' lives when the time is right. He must train with the numerous Undertale Gurus to strengthen himself and take on the Bird King, saving the world from complete and utter devastation.

John Undertale, internalized with guilt, must prove himself and save his friends' lives when the time is right. He must train with the numerous Undertale Gurus to strengthen himself and take on the Bird King, saving the world from complete and utter devastation.