妖よう刀とう

noun

bewitched sword; magical sword; demon sword

Refers to a sword with supernatural or cursed properties, often in fantasy or historical fiction. The term implies the blade itself has a malevolent or magical nature.

• その妖よう刀とうは持もち主ぬしに不ふ幸こうをもたらすと言いわれている。

  That bewitched sword is said to bring misfortune to its owner.

• 彼かれは妖よう刀とうを手てに入いれ、その力ちからに魅み了りょうされた。

  He obtained a demon sword and was fascinated by its power.