As Yuwon climbs up to floor ten, the Murim world, his eyes are set on joining a certain sect in this world of martial arts — the Heavenly Demonic Cult. However, the trials to join this powerful and mysterious cult are no easy task, even for someone who has returned from the future. Yuwon will have to survive Heavenly King Kwon’s three techniques and has been given three months of preparation to do so. Consuming poisons, scouring through hundreds of scrolls and strengthening his body are all things Yuwon is prepared to do, but one wildcard weighs on his mind. Just what is the true nature of this ever-hungry egg in his possession?