Wraiths
From Tolkien Gateway
Ghostly beings that existed more in the hidden Wraith-world than our own. The most famous of these were the Ringwraiths, Men ensnared by Sauron's Nine Rings, but their victims, too, were transformed into wraiths.
Ghostly beings that existed more in the hidden Wraith-world than our own. The most famous of these were the Ringwraiths, Men ensnared by Sauron's Nine Rings, but their victims, too, were transformed into wraiths.