Animated Ringwraith on Steed Maquette (Lord of the Rings)

Ringwraiths are creatures of the twilight world. To most they appear as black-robed figures on horseback, but wearing the One-Ring Frodo sees them in their true form: wretched husks of their former selves, tall, thin and sapped of mortality, pale twisted masks of the will of Sauron.