House Cardenas, the prestigious family of the sword protecting the Arcadia Empire, was hailed as a formidable military force.
Because the direct descendants of House Cardenas possessed supernatural powers called Traits, it was whispered that the blood of dragons ran through their veins.
Leonard Cardenas, a cadet at the Cardenas Training Center, obtains immense power after regaining the memories of his past life as Yeon Mu-hyuk—the man once known as the world's greatest Sword Emperor.
While challenging the powerful direct descendants, he also begins to unravel the secret of the dragon’s blood—
Relying on his past memories, the story of his quest to become the ultimate Sword Emperor—a dream once left unfulfilled—begins now.