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

"Yeah? What're you reading then?" Alcides curiously asked, folding his arms over his chest.

Khalida shook her head, "...Not much. I'd be better off using a larger sample–one that had suffered the effects of this substance already. Like…"

The gaze of the inquisitive woman lingered towards the mangled corpse of Aegenwulf, though the suggestion was met with a scrunched look from Alcides.

"Oh, come off it. A body is no more than a shell–what's important is gaining information that may save those that still breathe," Khalida said with a flick of her hair.

"I didn't say anything," Alcides conceded with a shrug, "Do what you must."

The Invictus of Hel carefully traversed the field of bones as the brittle remains crunched beneath her boots, stopping just before the broken-and-battered body of the Eviscerator leader. It was a regretful sight, but she didn't let it stop her as she waved her hand, commanding a black bubble to encapsulate the corpse.

Unquantifiable Existence