Fetching details from the dictionary...

devil; demon; fiend
Satan; the Devil
Māra; evil spirits or forces that hinder one's path to enlightenment
悪魔のような笑みを浮かべた。
He had a devilish smile.
中世ヨーロッパの神学では、神と悪魔との対立構造が信仰の根幹をなすものとして長く語り継がれてきた。
In medieval European theology, the structural opposition between God and the Devil was passed down for centuries as the very foundation of the faith.
その映画は悪魔との戦いを描く。
The movie depicts a battle with the devil.