Zero Skill: A unique skill that one can use without limit in a day. This skill is considered a 0 limit, unlike other skills that have a limit on usage.
Each person has their own unique skill that they possess, and some skills have the same name but different effects.
★ Class: Those who have a class can see the system panel along with the ability to earn skills according to their class they have as they level up.
{•} or level mark: This is a way to know the strength of one/person. This mark can be seen on one forearm; each mark is equivalent to 10 levels for those who can see the system panel.
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Item drop ranking: from lowest to highest. This is the amount of durability they have and the increased amount of stats they give.
Rank. Durability. Stats increased.
Wood. 5-15 1-10
Copper. 15-30 11-25
Iron. 31-50 26-40
Gold. 51-75 46-70
Emerald. 76-125 71-90
Diamond. 126-200 91-150