fire-walking
Refers to the practice of walking barefoot over hot coals or embers, often as a religious or ascetic ritual.
修験道の修行の一つに火渡りがある。
Fire-walking is one of the ascetic practices in Shugendō.
At the end of the festival, a fire-walking ritual was performed.
Compound of 火 (hi, 'fire') and 渡り (watari, 'crossing'), the continuative form of 渡る (wataru, 'to cross').