Balrog of Moria
E820200
The Balrog of Moria is a powerful ancient demon of shadow and flame in J.R.R. Tolkien's Middle-earth legendarium, most famous for its deadly confrontation with Gandalf in the Mines of Moria.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Balrog of Moria canonical | 11 |
| Balrog | 8 |
| Balrog of Morgoth | 4 |
| the Balrog of Moria | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9777324 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Balrog of Moria Context triple: [Olórin, enemyOf, Balrog of Moria]
-
A.
Shelob
Shelob is a monstrous, ancient giant spider-like creature from J.R.R. Tolkien's Middle-earth legendarium who dwells in the tunnels of Cirith Ungol and preys on all who pass.
-
B.
Grindel
Grindel is the birth surname of the French surrealist poet Paul Éluard.
-
C.
Gollum
Gollum is a tormented, ring-obsessed creature in J.R.R. Tolkien’s Middle-earth whose split personality and tragic fall from hobbit-like origins make him one of the most memorable figures in The Lord of the Rings.
-
D.
Orco
The Orco is a river in northwestern Italy that flows through the Piedmont region and is a significant tributary of the Po.
-
E.
Sauron
Sauron is the primary dark antagonist of J.R.R. Tolkien’s Middle-earth legendarium, a fallen Maia who seeks dominion over all life through the power of the One Ring.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Balrog of Moria Target entity description: The Balrog of Moria is a powerful ancient demon of shadow and flame in J.R.R. Tolkien's Middle-earth legendarium, most famous for its deadly confrontation with Gandalf in the Mines of Moria.
-
A.
Shelob
Shelob is a monstrous, ancient giant spider-like creature from J.R.R. Tolkien's Middle-earth legendarium who dwells in the tunnels of Cirith Ungol and preys on all who pass.
-
B.
Grindel
Grindel is the birth surname of the French surrealist poet Paul Éluard.
-
C.
Gollum
Gollum is a tormented, ring-obsessed creature in J.R.R. Tolkien’s Middle-earth whose split personality and tragic fall from hobbit-like origins make him one of the most memorable figures in The Lord of the Rings.
-
D.
Orco
The Orco is a river in northwestern Italy that flows through the Piedmont region and is a significant tributary of the Po.
-
E.
Sauron
Sauron is the primary dark antagonist of J.R.R. Tolkien’s Middle-earth legendarium, a fallen Maia who seeks dominion over all life through the power of the One Ring.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Balrog
ⓘ
Maiar ⓘ demon ⓘ fictional character ⓘ legendary creature ⓘ |
| alias |
Durin's Bane
ⓘ
the Balrog of Khazad-dûm ⓘ
linked to:
The Balrog of Moria
|
| alignment | evil ⓘ |
| appearsIn |
The Fellowship of the Ring
ⓘ
The Lord of the Rings ⓘ The Lord of the Rings: The Fellowship of the Ring (2001 film) ⓘ The Lord of the Rings: The Rings of Power (TV series) ⓘ |
| associatedWith |
Bridge of Khazad-dûm
ⓘ
linked to:
The Bridge of Khazad-dûm
Mines of Moria ⓘ
linked to:
Moria
Zirakzigil ⓘ |
| awakens | Third Age 1980 ⓘ |
| awakensBy |
Dwarves of Khazad-dûm
ⓘ
linked to:
Dwarves
|
| belongsToGroup |
Balrogs of Morgoth
ⓘ
linked to:
Balrogs
|
| consequenceOfAwakening |
Moria becomes a place of fear
ⓘ
linked to:
Moria
flight of the Dwarves from Khazad-dûm ⓘ |
| creator | J. R. R. Tolkien ⓘ |
| deathCause | slain by Gandalf ⓘ |
| defeatedBy | Gandalf ⓘ |
| describedAs |
cloaked in darkness
ⓘ
demon of shadow and flame ⓘ wreathed in fire ⓘ |
| element |
fire
ⓘ
shadow ⓘ |
| enemyOf | Gandalf ⓘ |
| fictionalUniverse | Middle-earth ⓘ |
| firstAppearance | The Fellowship of the Ring ⓘ |
| kills |
Durin VI
ⓘ
Náin I ⓘ |
| literaryGenre | high fantasy ⓘ |
| locatedInFictionalPlace | Misty Mountains ⓘ |
| notableEvent |
battle with Gandalf on the Bridge of Khazad-dûm
ⓘ
battle with Gandalf on the peak of Zirakzigil ⓘ fall into the abyss of Moria with Gandalf ⓘ |
| notableFor |
causing Gandalf's fall and transformation into Gandalf the White
ⓘ
confrontation with the Fellowship of the Ring ⓘ |
| origin | corrupted Maia of the First Age ⓘ |
| race | Maia ⓘ |
| residesIn |
Khazad-dûm
ⓘ
Moria ⓘ |
| serves | Morgoth ⓘ |
| species |
Balrog
ⓘ
linked to:
Balrog of Moria
|
| timePeriod | Third Age of Middle-earth ⓘ |
| weapon |
flaming sword
ⓘ
whip of many thongs ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Balrog of Moria Description of subject: The Balrog of Moria is a powerful ancient demon of shadow and flame in J.R.R. Tolkien's Middle-earth legendarium, most famous for its deadly confrontation with Gandalf in the Mines of Moria.
Referenced by (24)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
The Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
subject linked to:
Sindarin name: Durin's Bane
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria
linked to: Balrog of Moria