Being a Eunuch Is Surprisingly Awesome

With the Sunflower Manual in hand, the world is mine. Sima Ling isn't a good person, and he knows exactly what kind of situation he's in. Looking at the Sunflower Manual in his hands, he asks himself: should he throw away this opportunity and spend his whole life as an ordinary person, muddling along in mediocrity? Or should he start from a lower rung and embark on the path of immortal cultivation, treading a road full of brambles?