In 690 AD, Li Xuan transmigrates and becomes the imperial court's Grand Mage beside Wu Zetian, though in truth he is the empress's male favorite.
After one night serving her, his life force drains away at an alarming rate. Only then does he realize that this Tang dynasty is no ordinary historical era:
The empress speaks with the authority of Heaven, and her words become law. A minister can change the heavens with a single thought, while a general can split mountains and rivers with one slash.
At the brink of despair, the Python Sparrow Devours Dragon System activates: devour the Human Emperor's fortune, and transform a mortal body into a true dragon!
He gets the beginner's gift, The Art of Subduing Dragons and Capturing Phoenixes. But is the empress's true-dragon fortune really so easy to devour?
Will Li Xuan become a pile of bones beside the empress, or devour the true dragon in turn and rule over the Nine Heavens?
Looking at the empress, who is nearly seventy yet still looks like a girl of sixteen, Li Xuan grits his teeth: This dragon is mine to devour!
You, Wu Zetian's battle with the Dragon King of the East China Sea, really can't stand it.
I can't stand it [grass has been planted]