Spirits that inhabit the natural world of Ningen-dō, are known as kami. The most famous of which are the Ten Kami.
There are several other types of spirit entities in Rokugan.
Often referred to as simply Kami (capitalized). The Ten Kami are the god-children of Lady Sun and Lord Moon that fell to Rokugan from the Celestial Heavens. They went on to form the Great Clans and the Imperial Families of the Emerald Empire. [1]