Peach Luck Village - Chapter 42 Attitudes of the Two Women

At 18, Alex Kain is whisked away to Eryndor, a game-like realm where he gains 'Skill Synthesis', a talent to fuse skills into godlike powers. Battling monsters and conquering dungeons, he builds a harem of strong women drawn to his might and charm. With the power to return to Earth bearing incredible resources, Alex faces a growing threat that endangers both worlds in this epic of adventure, romance, and ambition.

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

He is a young man without a spirit root. It is believed that this denies him the chance at cultivation. However, a mysterious lady imparts a Supreme Demon Classic to him and from then on, he starts his path of cultivation.
He undergoes a total transformation to emerge as the most fearsome and powerful fiendish demon in his era, that even immortals and fiends are fearful of him, and saints are at his beck and call.
Mastering the Supreme Demon Classic is the turning point in his life. He is able to unleash his immense and divine power from within, illuminating the entire universe!

- Description from Novelupdates

Ordinary Version:When a scientific researcher travels to a world that seeks the truth of the universe through scientific methods...Wang Qi: Our motto is—master mathematics, physics, and chemistry, and you won't be afraid of pursuing immortality!Discovery Channel Version:Why is 'Heavenly Calculation Atlas' related to the theory of evolution?What is the connection between the Mysterious Uncertainty Cloud Sword and probability cloud?How do cultivators build an immortality atomic bomb?How is quantum mechanics represented in cultivation?Why are the supreme experts from thousands of years ago and today's ring grandpa judged as 'misleading the youth' and 'useless'?What is the connection between Quantum Venerable Master Bao'er, Daoist Hei Senbao of Uncertainty, and Taiyi Heavenly Venerable Ai Citan with great scientists like Bohr, Heisenberg, and Einstein?Let's follow the host, oh no, the protagonist Wang Qi, as we enter today's 'Exploring Immortality Cultivation' and uncover the secrets of scientific cultivation.