Dark King Return of the Boy

Nine years ago, the master of the underground world disappeared mysteriously. Overnight, the underground kingdom that had been glorious for half a century fell from the altar. It once ruled the entire underground world and also affected the world's economic lifeline. Since then, the power of the political lifeline has failed to recover, fell apart, and has lost its original glory. Nine years later, the reborn young king returns. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.