<P> The Drughu were not evil . They were mortal enemies of orcs, defending the homes of their human neighbors with their own lives and with the aid of their magical Watch - Stones . The Elves of Beleriand developed a special fondness for them and valued their skill at fighting orcs . </P> <P> Demonic creatures of fire and shadow, Balrogs were fallen Maiar who were loyal to Morgoth . They participated in the wars of the First Age of Middle - earth but were mostly destroyed during the War of Wrath . By the Third Age, the only known remaining Balrog was "Durin's Bane," the Balrog of Moria, who was slain by Gandalf . </P> <P> Dark spirits that were sent by the Witch - king of Angmar to possess and animate the bodies and bones of the former kings of the Dúnedain . These undead monsters haunted the Barrow - downs near Bree . </P> <P> Also known as ghosts or shades, they were spirits of Men unable to pass on to the afterlife . Spirits haunted various regions of Middle - earth, most notably the Dead Marshes and the Paths of the Dead, which were guarded by the Dead Men of Dunharrow . Ringwraiths and Barrow - wights are also counted among the Dead but are distinct in that they have physical form . </P>

Types of creatures in lord of the rings