also: じゅっぽう
noun
General term for supernatural arts; can refer to spells, magical techniques, or occult practices.
彼は古代の術法を研究している。
He is researching ancient magic.
その魔女は強力な術法を使った。
The witch used powerful sorcery.
Compound of 術 (technique, art) and 法 (method, law). The exact historical derivation is uncertain, but it likely emerged as a term for systematic magical practices.