Yokai including tsukumogami are possessed by the supernatural and have turned into numen by becoming an object representative of a divine spirit; those that are constantly furious are called aramitama.
九十九神などを含めた妖怪とは、神霊の依り代となったことにより、神懸りとなり変化したものや、荒御魂という猛り狂った状態の神(神道)の姿をいう。