Wuxia Crossover: I Took in Zhou Zhiruo and Joined Her in Practicing Yin-Yang Arts

[Comprehensive martial arts world, wish-fulfillment, System, invincible, leveling up]

Zhang Fan transmigrates into a world of mixed martial arts and binds himself to an invincible System from the start.

With medical skills, poison arts, and cultivation techniques at his disposal, he cultivates the immortal art of longevity!

He cures Dongfang Bubai of poison and saves Wang Yuyan.

As he roams the martial world, he stands above all!