Invincible Under Heaven, Starting with Transformative Cultivation Techniques

In a chaotic age, demons and monsters run rampant. Lin An transmigrates into a village crawling with demons and monsters, where they want to use his body to reincarnate. Just when he thinks danger is closing in on all sides, Lin An awakens a golden finger. Slay the inhuman, obtain their essence, and his techniques can undergo a qualitative transformation, even reaching perfection outright. [Huasheng Fist (Beginner): Inferior] → [Great Freedom Huasheng Fist (Heavenly): Perfect] [Huasheng Secret Art (Beginner): Inferior] → [One Breath of Heaven and Earth Demon-Breaking Art (Heavenly): Perfect] [Gentle Breeze Footwork (Beginner): Inferior] → [Mystic Purity Demon Shadow Movement Technique (Heavenly): Perfect] Years later, someone angrily berates Lin An: “We all cultivate true qi of the yin attribute, so how come yours turned into the most yang and strongest true qi?” Lin An glances at the mountains of corpses behind him and shakes his head. “Maybe all of you have been cultivating it wrong.” He flicks his long saber and looks up at the sky. Figures of immortals and Buddhas shimmer above the clouds. Lin An throws his saber and steps onto it. “Actually, I'm curious. Do those of you who've become immortals and Buddhas count as inhuman?” “How about you sacrifice one of yourselves and let me try killing you?”