Blood Contract

In a remote corner, two demon hunters opened a blood inheritance office. The rebellious blade in your hand is the key to unlocking the blood in your body. Orion in the sky guides the golden city sinking into the sea, and the crystal coffin opens a path for the magic swordsman. As countless relics sunk into the ground appear before our eyes, the truth of history gradually emerges... This is the story of Nero, the last line of defense for mankind.