Yinju Shiwan Nian, Houdai Qing Wo Chushan

A hundred thousand years ago, the patriarch of the Forgotten Immortal Sect, Chen Xuan, was unrivaled under the heavens but chose to retreat at his peak. No one knew that he did so because his system enhancement, the golden finger, had malfunctioned and he could no longer make any progress. Concerned that he might not maintain his strength, he chose to live in seclusion. One day, a female disciple of the sect came seeking help, allowing the system to successfully reboot... As long as he continues to cultivate the juniors, he can continue to become stronger, and to make unilateral decisions for all eternity! The Profound Heavenly Emperor, who had been hiding for a hundred thousand years, has now emerged with a brand new golden finger... (Source: MangaToon)