He was the young ruler of the city, but he never imagined that one day he would be killed by the person he trusted most. Fortunately he was reborn in a young master's body in another world where dragons enslaved humans. "Ding... The Limitless Upgrading System is activating. Host, please stand still." With the system activated, he will be able to get whatever he wants, Divine Bloodlines, Divine Skills, Divine Body. With the help of the system, everything will fall into his grasp. With the help of the system will he discover what happened to the dragons, the rulers of the lands? Will he be able to change his fate? Will he discover the reason behind his reincarnation? What is the system and why is it helping him?