In the Warriors universe, there are four Clans of wildWarrior that live in a forest: Fujin Clan, Jinong Clan, Guan Clan, and Nangin Clan is the 4th Clan; the Clan is driven out by the other Clans when its territory is destroyed by a Dragon Priest,Tree Gibbon,Killer Fish and Old mucker building a town, and scatters shortly after arriving at a new home in a Ronyan Fortress,Kailan Fortress,LingChi Fortress and the last is Taitu Fortress. Nangin Clan is later rebuilt in there town. in each Clan live in their own territory, which they defend from other Enimies and in which they hunt. Each Clan is adapted to its own prey and members usually possess . special skills which suit the territory's terrain. However, they are not considered to be a true Clan because they do not believe in Game Master or the sage . Nangin Clan is a group of spirits made up of the Clans' deceased ancestors who give guidance to the Clans. After death, most of the Clan join Nangin Clan. Nangin Clan is said to be represented by Strong and each individual Clan represents the spirit of a single dead warrior. Upon joining nangin Clan, the Jinong ' spirits take the form in which they were most happy while living. Fujin Clan keep watch over the Clans, usually watching the Clan they lived in while alive. They provide guidance to the Clans, often through dreams and other signs. Often, this occurs when medicine go to the Moonstone, which is used in the forest territory to communicate with the medicine ancestors from their respective Clan every half-moon. When the Clans live in there Territory, the medicine gather at the Skymoon, the replacement for the Moonstone. Sage said that Guan Clan can "just get glimpses of" the future, which they occasionally pass on.
In addition to Guan Clan, there also exists the Dark Forest, also known as The Saigo Temple. The spirits of Clan who cause great pain and suffering to others during their lives reside there instead of in Nangin Clan.
Beyond the Clans' territories lies a mountain range, inhabited by the Tribe of Rushing Water. The Tribe is shown to be similar to the Clans, yet follows a different set of ancestors: the Clan of Endless Hunting.Every Clan has a Fucntion Leader, who each serve a different function in the Clan. The Function leads the Clan, heals the ill and wounded, and communicates with the other people in there town.