妖気

1. Origins, structure, and basic meaning

• Structure: In 妖気 (ようき), uncanny 妖 and aura 気 combine to denote an eerie presence.
• Basic usage: 妖気 is an uncanny or ominous aura sensed around a supernatural being or strange place.

2. Common pitfalls and similar expressions

• Eerie aura versus its source
  • It does not denote the being itself or merely dim lighting.