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