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

Swords of length vast enough to carve new valleys were swung, spears capable of becoming mountains descended upon the region. It was the reckless abandon, granted the power of a deity into the hands of a mere teenager.

The Invictus of Zeus was as elusive as the wind, as though trying to cut or skewer him was like trying to catch lighting in a battle. Sirius held an excited smirk as he soared through the wind, kicking off of the air as the mountainous weapons closed in on him.

There wasn't a corner of the world that didn't know of the youthful Invictus of Zeus–the peerless hero of Velmusia, whose name was sung by bards and written into history books already. Armies feared him, beasts ran from him, yet the boy sharpened by war, nurtured by bloodshed, welcomed his electrifying might with open arms.

Bloodshed