Joseph was the sole heir and the last of the royalty from Nevancier after his family's tragic massacre. After the collapse of his kingdom, the prince was enslaved, destined to be sold for his clan's physical features, which were said to rival those of the gods. As the boy lost all hope, a ray of light appeared in the form of the Hero King, Regal. The Hero King claimed him in the auction where the prince was supposed to be sold. Regal revealed that their parents had made a pact long ago, betrothing them to one another, and asked the prince for his hand in marriage. He spoke of an old oath that had been long since forgotten, one that now bound them together. As an unknown darkness loomed to threaten both realms, Joseph found himself struggling to assume his new role. The mysterious shadow brought with it whispers of ancient curses and dark magic, casting a perilous shadow over both realms. In the face of his enemy and to uphold his kingdom's legacy, Joseph strode across the world, learning what it meant to be a king's king.