Kidou (Darkness) (鬼道（滅）?)
| Rank | User(s) |
|---|---|
| C | Iyo |
| Primitive Magecraft. It is said to be the prototype of Shinto. Unlike systematic magic systems, the details are shrouded in mystery. Iyo, who succeeded Himiko, manipulates the same Kidou, but in the first place, Iyo's Kidou is of a different system from Himiko's. |
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