noun which may take the genitive case particle 'no', noun
most evil; most sinister; most ominous
Slangy, emphatic term often used in fiction, games, or casual speech to describe the ultimate villain, worst outcome, or most malevolent thing. Contrasts with 最強 (strongest).
このゲームのラスボスは最凶の敵だ。
The final boss in this game is the most evil enemy.
最凶の組み合わせで、誰も勝てなかった。
It was the most sinister combination, and no one could win.