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J.R.R. Tolkien - The Three Trolls are turned to Stone (Colored by H.E. Riddett).jpg
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Trolls were large monsters of limited intellect.



Morgoth created Trolls before the First Age. Their exact origins are unknown, for it is said that only Eru Ilúvatar has the power to create life. Trolls may have been corrupted from an existing creature of great size and strength or may simply have been counterfeits of stone imbued with life by dark spirits.

Trolls were very strong, but they turned to stone in sunlight. Many Trolls died in the War of Wrath, but some survived and joined the forces of Sauron, the greatest surviving servant of Morgoth. In the Second Age and Third Age, Trolls were among Sauron's most dangerous warriors. In the Third Age, Sauron created the Olog-hai, which were more powerful than earlier breeds of Trolls. While most Trolls cannot bear exposure to sunlight without turning to stone, the Olog-hai apparently could; this attribute is mentioned in The Return of the King as making them particularly dangerous. During the War of the Ring, Sauron used Olog-hai in the Siege of Gondor and Battle of the Pelennor Fields. In the subsequent Battle at the Black Gate, the hobbit Peregrin Took killed a large Olog-hai troll. As a result of Sauron's ring being destroyed, the Black Gate and the rest of Mordor collapsed to ruin during that battle. Most of the Trolls present at the battle were killed, with a very few escaping.

Kinds of Trolls

  • Normal trolls: strong and vicious, but stupid creatures created by Morgoth. Nobody knows how he managed to breed them though it is stated by Treebeard of the Ents that Trolls were "made in mockery of" Ents, similar to the way that Orcs were bred from captured and tormented Elves.
  • Cave-trolls: they seem incapable of speech and it is not clear whether they could move in sunlight.
  • Olog-hai: unlike the original Trolls, seem incapable of speech (though it's said they know Black Speech and are able to move while exposed to direct sunlight. Apparently Sauron created them.
  • Stone-trolls: a race of trolls in the service of Sauron.
  • Snow-trolls
  • Hill-trolls
  • Mountain-trolls
  • Troll-men


Trolls were originally a part of the Norse mythology (as a negative synonym for jötunn, "giants") and Scandinavian folklore (as ugly, large creatures of remote wildlife areas).

Other fiction

In Sir Gawain and the Green Knight are mentioned the "wood-trolls" (translated by J.R.R. Tolkien from the manuscript word wodwos).[1]

Portrayal in Adaptations

2011: The Lord of the Rings: War in the North:
Compared to other enemies, Trolls are much stronger. Trolls first appear in Fornost, where one traps Eradan, Andriel and Farin.[2] Another troll appears at the end of the level, where Eradan, Andriel and Farin have to protect Elladan and Elrohir. When this Troll is killed, the player is able to enter the Citadel to confront Tharzog and Agandaûr.[3]


  1. Wayne G. Hammond and Christina Scull (eds), The Lord of the Rings: A Reader's Companion, p. 555
  2. The Lord of the Rings: War in the North, Chapter 1: Fornost, Outer Wards
  3. The Lord of the Rings: War in the North, Chapter 1: Fornost, The Citadel