In the world of Nihilon, every living being is bound by the Level–XP–Skill system, which determines their strength and status. However, among the star-studded adventurers, one mysterious figure emerges, Kai Ardent, an orphaned teenager from Crestfall village who begins his journey as a Pure Level 0 completely devoid of a single Status Point.

The Story opens with Kai joining the Ashen Wings Guild, ridiculed by his fellow apprentices who belittled him. In an expedition to the Skelgard Caverns Dungeon, he encounters his first D-rank monster, the "Rainbow Insect" without any skills. 

However, through his steely will and the Level 0-specific "Blank Point," Kai creates a wave of pure emptiness that destroys enemies, drawing the awe of his rival Luna Selene, the ice mage of the Moonlight Covenant, and earning the respect of his hard-hearted mentor, Ragnar Blackthorn.

As his Blank Points increase, Kai learns how to allocate his free points in Combat, Arcane, and Support, overcoming dangerous traps and minor conflicts between guilds. As word of the “Pure Level Zero” spreads, the shadow of Archon Magnus, an ambitious S-Rank adventurer, begins to lurk. He sees Kai’s potential as a weapon to shake up the Guild Council’s order and establish the supremacy of the "Level Supreme."

In each dungeon, Kai faces not only monsters, but also moral challenges: should he maintain the purity of his Blank Point or trade it for instant power? His friendship with Luna develops, from rival to ally, while Ragnar’s role as mentor reveals his past wounds and ignites Kai’s resolve.

- Praya Era: Before the Level system emerged, humanity lived in theocratic cities, relying on the forces of nature and the influence of mages.


- Great Convergence (Year 0): The emergence of the "Nil Fragments," mysterious artifacts that pass on Status Points to all living things. This event is known as the Great Convergence, the starting point for Level calculations.


- Formation of the Guild Confederation (Year 50): Twelve major Guilds formed to manage missions, control monsters, and maintain the balance of Nihilon.


- The Umbra Continent: The center of civilization, consisting of the capital city of Valdaris, the Crimson Plateau, and the ancient forest of Whispering Woods.


- Forbidden Islands: Three small islands in the Dentrua Sea filled with exotic creatures, accessible only to adventurers Level ≥ 20.


- Tower of Trials: A giant magical structure in the center of the continent, where the official Level-up trials take place.


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XP (Experience Points) are obtained through:


3. Caster's Gate Trials (special challenges)


Definition: Extra points that only Pure Level-0 (Kai Ardent) have.


How to Obtain: Every time you level up, Kai gains +1 additional Blank Point beyond the standard points.


| D - Beginner, low-class missions Access D missions, basic wages. 


| C - Intermediate Fighter Access C missions, XP bonus +5%


| B - Professional, challenging missions Access B missions, discounts on relics in the market. 


| A - Elite, dangerous missions Access A missions, premium base facilities. 


| S - Prime, highest missions Exclusive missions, free relics every year. 


| SS - Legacy Has a legacy of historical power


| X - Mythical House Not officially recorded; living legend


Rarity Chance to Find Artifact Examples:


I. Introduction To The World