Until All the Demons in the World Are Eliminated

Ning Yi traveled to a troubled world where immortality cultivation methods existed for unknown reasons, thinking that he was about to embark on the path of slaying demons and purging the world. Unexpectedly... "Why was I caught by the demon cultivator???" Seeing that he was about to be captured by the demon cultivator and taken to the base camp, his eyes lit up. [Should we exchange a three-month lifespan for a little experience point for deduction? Change! Lifespan is nothing more than an external thing! With my persistence and hard work, with my ten years of life! Turn on the system for me! Since then, Ning Yi has defeated enemies, defeated demons and demons, accumulated experience points to improve himself, and brought a shock called genius to the whole world. Many years later. When the demonic path was completely destroyed, the heavenly path was resurrected, and the world regained its intelligence, Ning Yi stood at the end of the world, facing puzzling questions from the immortals. He just said lightly: "Who asked me to work harder than everyone here." The immortals were speechless...