A Billion Eunuchs: Call Me the Grand Eunuch

When he opens his eyes again, he is an artisan in the prince's residence's castration chamber.

He successfully activates a golden finger.

[First Blood: Reward title, Hand of Black and White, Good and Evil. Absorb half the vitality of the person being castrated.]

[Castrate a hundred people: Upgrade title to Yin-Yang Qi-Stealing Hand. Absorb half the inner force of the person being castrated.]

[Castrate a thousand people: Upgrade title to Yin-Yang Art-Absorbing Hand. Absorb one cultivation manual from the person being castrated.]

…

As the number of people he castrates grows, Jiang Qi's abilities become increasingly bizarre.

From an eldest son and grandson cast aside by his family to the castration patriarch who reaches the end of the world.

In a corner where no one pays him any attention, Jiang Qi quietly upgrades his titles.