The Whisper Demon is a chaotic evil outsider from the Abyss, known for its maddening telepathic whispers that drive victims to confusion and self-harm. This incorporeal demon is humanoid in shape, with mottled green skin and distorted features. It thrives on causing insanity and despair, often accompanied by undead allips that serve it. Whisper Demons avoid other demons but are sometimes used for their ability to induce madness. They delight in watching their victims lose hope and sanity, making them a terrifying presence on any battlefield .