The Cardenas family, a legendary sword clan guarding the Arcadia Empire, is feared for its immense power. Their direct bloodline possesses rare abilities known as “traits,” rumored to stem from dragon blood.

Leonard Cardenas, a trainee of the clan, awakens memories of his past life as Yong Muhyuk, once hailed as the greatest Sword Emperor. Armed with this power, he rises to challenge elite heirs while uncovering the truth behind the dragon blood.

A new journey begins… to claim the title of the strongest Sword Emperor he once failed to achieve.