I've Become Invincible, But the Apocalypse Has Just Begun?

In a world where the planet has been chosen as a trial ground for the strong, a catastrophic event known as the "Global Variation" has occurred, causing all living creatures to mutate. This phenomenon was triggered by the "Rampage Variation Factor" scattered across the globe, intended to test the strength of candidates a year later. Amidst this chaos, a young man named Gu Changming awakens to a unique ability known as the "Golden Finger," which allows him to complete tasks and receive rewards in the form of "entries" that can be equipped or consumed to enhance his attributes. As Gu Changming embarks on his journey, he rapidly surpasses human limitations, becoming superhuman in just a matter of days. However, his progress is soon put to the test as the Global Variation reaches its climax, marking the beginning of the apocalypse. With his newfound invincibility, Gu Changming finds himself at the forefront of this new world, wondering why the strong have only just begun to emerge, despite his own rapid ascent to power.