Hades’s helm of invisibility
E111001
Hades’s helm of invisibility is a mythical divine helmet from Greek mythology that grants its wearer complete invisibility, famously used by gods and heroes to move unseen.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Cap of Invisibility | 1 |
| Hades' helm of invisibility | 1 |
| Hades’ cap | 1 |
| Hades’s helm of invisibility canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T943093 — 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: Hades’s helm of invisibility Context triple: [Cyclopes, created, Hades’s helm of invisibility]
-
A.
Shield of Heracles
Shield of Heracles is an ancient Greek epic poem traditionally attributed to Hesiod that vividly describes the ornate shield and heroic exploits of the demigod Heracles.
-
B.
Belt of Hippolyta
The Belt of Hippolyta is the magical girdle of the Amazon queen that Heracles was tasked with obtaining as one of his Twelve Labors in Greek mythology.
-
C.
Gorgoneion
The Gorgoneion is an ancient apotropaic emblem depicting the severed, snake-haired head of a Gorgon, widely used in Greek art and armor to ward off evil.
-
D.
Hamsa
Hamsa is a divine swan or goose in Hindu mythology, symbolizing purity and spiritual discernment and serving as the sacred vehicle of the creator god Brahma.
-
E.
bow of Odysseus
The bow of Odysseus is the legendary, uniquely powerful weapon in Greek mythology that only Odysseus can string and use, serving as the decisive test of identity and kingship in the Odyssey.
- 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: Hades’s helm of invisibility Target entity description: Hades’s helm of invisibility is a mythical divine helmet from Greek mythology that grants its wearer complete invisibility, famously used by gods and heroes to move unseen.
-
A.
Shield of Heracles
Shield of Heracles is an ancient Greek epic poem traditionally attributed to Hesiod that vividly describes the ornate shield and heroic exploits of the demigod Heracles.
-
B.
Belt of Hippolyta
The Belt of Hippolyta is the magical girdle of the Amazon queen that Heracles was tasked with obtaining as one of his Twelve Labors in Greek mythology.
-
C.
Gorgoneion
The Gorgoneion is an ancient apotropaic emblem depicting the severed, snake-haired head of a Gorgon, widely used in Greek art and armor to ward off evil.
-
D.
Hamsa
Hamsa is a divine swan or goose in Hindu mythology, symbolizing purity and spiritual discernment and serving as the sacred vehicle of the creator god Brahma.
-
E.
bow of Odysseus
The bow of Odysseus is the legendary, uniquely powerful weapon in Greek mythology that only Odysseus can string and use, serving as the decisive test of identity and kingship in the Odyssey.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
divine artifact
ⓘ
magical helmet ⓘ mythical object ⓘ object from Greek mythology ⓘ |
| alsoKnownAs |
Hades’s helm of invisibility
ⓘ
surface form:
Cap of Invisibility
Hades’s helm of invisibility ⓘ
surface form:
Hades’ cap
Helm of Darkness ⓘ Kuneē ⓘ |
| appearsInSource |
Apollodorus' Bibliotheca
ⓘ
surface form:
Apollodorus’s Bibliotheca
Hesiod's Theogony ⓘ
surface form:
Hesiod’s Theogony
Homer's Iliad ⓘ
surface form:
Homer’s Iliad
Pindar's odes ⓘ
surface form:
Pindar’s odes
|
| associatedDeity | Hades ⓘ |
| borrowedBy |
Athena in some mythic variants
ⓘ
Hermes in some mythic variants ⓘ Perseus for the Gorgon quest ⓘ |
| category | magical items of the Olympian gods ⓘ |
| cosmicWarRole | used by Hades against the Titans ⓘ |
| culture | Ancient Greek ⓘ |
| domainAssociation | Underworld ⓘ |
| giftContext | reward for freeing the Cyclopes ⓘ |
| giftedTo | Hades ⓘ |
| materialStatus | mythical, not historical ⓘ |
| mythology | Greek mythology ⓘ |
| narrativeRole |
aid to heroes
ⓘ
symbol of unseen power ⓘ |
| origin | crafted by the Cyclopes ⓘ |
| perceptionEffect |
can deceive both mortals and immortals
ⓘ
prevents others from seeing the wearer ⓘ |
| power |
allows wearer to move unseen
ⓘ
conceals presence from gods and mortals ⓘ grants invisibility ⓘ |
| primaryOwner | Hades ⓘ |
| relatedTo |
Poseidon’s trident
ⓘ
thunderbolt of Zeus ⓘ
surface form:
Zeus’s thunderbolt
|
| symbolism |
power of the unseen
ⓘ
secrecy ⓘ stealth ⓘ |
| usedBy |
Ares
ⓘ
Athena ⓘ Hades ⓘ Hermes ⓘ Perseus ⓘ |
| usedInMyth |
Gigantomachy
ⓘ
Perseus and Andromeda ⓘ
surface form:
Perseus and Medusa
Trojan War ⓘ |
| visibilityEffect |
hides wearer’s movements
ⓘ
renders wearer invisible ⓘ |
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: Hades’s helm of invisibility Description of subject: Hades’s helm of invisibility is a mythical divine helmet from Greek mythology that grants its wearer complete invisibility, famously used by gods and heroes to move unseen.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Hades' helm of invisibility
this entity surface form:
Cap of Invisibility
this entity surface form:
Hades’ cap