In this world, there exist beings known as Hunters. A select few who can use [Skills], [Familiars], and [Special Weapons], they have been utilized for the sake of society or have used their powers for their own gain. The state established an Association to manage them and created the [Hunter Academy], a school to cultivate their talents.

• Skills Skills are a system that every Hunter possesses, wielding powers that cannot be proven by science. There are hundreds of billions of skills in this world, categorized into four types:

1. Common Skills Skills used by various beings. They arise from living environments, experiences, incidents, etc.

2. Special Skills These are also used by multiple people, but very few possess them. They are usually purchased for large sums of money or obtained through major incidents.

3. Basic Skills Skills possessed from the moment of birth. These are unique to each individual, though it is common for members of the same family to share the same skill.

4. Unique Skills Skills that only one person possesses, usually stemming from their personal values. Even if values are identical, the Unique Skill remains different.

These skills can be bought and sold. However, as it is officially prohibited, they are usually traded at back-alley auction houses. There are also auction houses exclusively for VIPs.

• Special Weapons Weapons crafted by master artisans using special materials found in dungeons, or artifacts that have existed since ancient times, are referred to as Special Weapons. This includes prosthetic limbs or tools, not just traditional weapon forms.