noun
Refers to a monstrous or demonic creature, often with supernatural or magical qualities. Common in fantasy, folklore, and gaming contexts.
その森には妖獣が住んでいると言われている。
It is said that a magical beast lives in that forest.
ゲームの中で妖獣を倒して経験値を得る。
Defeat monsters in the game to gain experience points.
Compound of 妖 (bewitching, mysterious) and 獣 (beast). The exact historical derivation is uncertain, but the combination naturally yields the meaning 'bewitching beast' or 'monster'.