仙術

1. Origins, structure, and basic meaning

• Structure: 仙術 is read せんじゅつ. It means the mystical arts or magic associated with immortals in a story.
• Basic usage: It describes magic used to vanish into fog and a journey to learn those arts in the mountains.

2. Common pitfalls and similar expressions

• Using mystical arts
  • 仙術を使って霧の中へ姿を消した depicts using immortal magic to disappear into the fog.
• Learning the arts
  • 山奥で仙術を学ぶ means learning the mystical arts deep in the mountains.