DelzGB

[The first arc is about obtaining the system, so please be patient and give the story a try! I promise it will be worth it.] 
In a world where gods have erected a worldly monument, the "Tower of Yggdrasil," people are drawn to its impossible challenges. This towering structure pierces the heavens, concealing both unimaginable beasts and priceless treasures within its unforgiving depths.

Enter the realm of "Adventurers" – daring souls who ascend the Tower's brutal floors in pursuit of glory. The fortunate ones secure the sponsorship of gods, gaining their Blessings to wield divine power in the face of peril. Yet, amidst this celestial lottery, Bastian, an unfortunate adventurer, remains unblessed, navigating the treacherous terrain with only caution and cunning.

As Bastian teeters on the brink of death, a mysterious voice intervenes, offering him a lifeline: [Prometheus System Awakened]
Becoming a chosen “Invictus”--a person chosen as the champion of their god, he finds himself in the ranks of legends, having to learn all too quickly to adjust. 
He must defy the odds, unravel the mysteries of Yggdrasil, and face the trials that await beyond the clouds, making either ally or foe of other Invictus, and the gods that dwell in Yggdrasil.

Tower of Yggdrasil: From Zero To Godhood

Rearing his fist back, his physique seemed to solidify and bulken, his muscles coiling with godly strength as his eyes set on the amalgamation that climbed higher. It sent tendrils of foul tissue upward, wrapping around the heavenly defender in an attempt to ensnare him, though Hercules did not give.

Sending his fist downward, the resulting movement released with a volatile storm; the wind cracked multiple times in succession. The tremendous force rippled downward, carrying the imprint of Hercules' fist as smiting from the heavens.

A fist that could make the world tremble; a single punch was enough to change the tide of wars.

As the impact reached the amalgamate of blackened flesh, its form was torn apart and popped like a bubble, exploding into a mess of tar. A high-pitched screech expelled from its burst mouths, ringing through the chasm between the world.

The Labor of The Selfless