Ning Chen serves as a Haoyue guard to the empire's first princess, yet he has never been able to make progress in cultivation. That changes when he awakens a special ability that lets him devour metal, pushing his cultivation speed far beyond what ordinary cultivators can reach, much to their disbelief. As a guard of the empire, he keeps driving usurpers out of the imperial capital and putting down rebellions as soon as they rise. To keep the peace and stand by his princess, Ning Chen has to keep finding ways to raise his cultivation higher so he can defeat the enemies blocking his path. Expect cultivation battles against rebels and usurpers, built around an underdog's sudden rise.