Decarabia is a fictional character featured in the Shin Megami Tensei series, often represented as a demonic entity. Known for its distinct starfish-like appearance, Decarabia is a demon that players can summon, fuse, or encounter in various titles of the series. Typically classified under the Night race or as part of the Fallen class, Decarabia is not a principal character but plays a supporting role in battles and demon negotiations. Its unique form and abilities add depth to the demon roster, providing players with strategic options during combat.