After a decisive clash against giants to save the world, Ronan stands as the sole survivor of the imperial army. Sharing a poignant moment with his fading leader, Grand Marshal Adeshan, they realize the battle is not yet won as a new horde of giants approaches. In a final act of desperation and belief in Ronan's potential, Adeshan transports him back in time through a time slip. Now, Ronan must join the esteemed Phileon Academy, hone his skills, and rise as the most formidable swordsman in the empire's history.