The power to use the abilities of tesso. Variation of Yokai Physiology.
- Iron Rat Form/Mimicry/Physiology
- Tesso Form/Mimicry
User with this ability either is or can transform into a tesso, ( 鉄鼠, Tesso) is a yōkai in Japanese mythology, a creature resembling a giant rat.
- Tesso (InuYasha)
- Tesso (Japanese Folklore)
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