Nazgûl

The Nazgûl, also known by the aliases of the Nine Riders, Ringwraiths, or the Dark Riders, are the former servants of Sauron and the Devil, and perished with Sauron. However, they were resurrected and aided the building of Eden Prairie.

Characteristics
The Nazgûl are invisible beings seen as wearing black robes and a crown. Their choice weapons are steel swords. However, the Nazgûl also use terror as a weapon, creating an aura that eventually leads to the death of the victims.