When I Was in the Qi Refining Period, I Killed the Quasi-Immortal Emperor with One Punch.

Gu Xuan traveled to the fantasy world and awakened the online game system. The enemy becomes a leveled boss, and the monster becomes a leveled monster. Others kill people and grab treasures, but Gu Xuan can not only kill people and grab treasures, but he can also gain experience and treasure chests! However, what surprised Gu Xuan was that experience could not be used to upgrade, but could only be used to evolve all things. Therefore, Gu Xuan, who was stuck at the first level of Qi refining stage, began to use his experience to evolve himself. Evolve the bones of the whole body into the Supreme Bone, evolve the body into the Chaos Body, and synthesize it into the Supreme Chaos Body The basic skills evolved into the divine elephant's prison-suppressing power. The copper bell evolves into the chaos bell Chinese cabbage evolves into the Phoenix Medicine of Immortality Fortunately, the greater the level gap with the enemy, the greater the experience bonus and the faster the evolution! … One day, when the dark turmoil came, three quasi-immortal emperors led the army of darkness to attack, and when the righteous path was retreating steadily, Gu Xuan, who was in the Qi refining stage, stood up. One punch, destroying thousands of armies, causing the world to collapse! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.