|Helmet of Darkness|
|Formal Name:|| Helmet of Invisibility |
Cap of invisibility
|Size:||1 ft. X 1Ft.|
|First appearance:||Bad Blood|
Helmet of Invisibility belongs to Hades the God of The Underworld, it was Forged by the Cyclops During the Titanomachy. It enables the User to become invisible and to control death and the The Underworld.
Autolycus is called from his time by Cronus, he agrees to find and steal Hercules's Last Surviving Arrow, which were soaked with lethal Hydra poison, in exchange for A Golden Apples of Immortality from the Garden of the Hesperides, granting him immortality. Armed with the Helmet of Invisibility he originally lent to Odysseus so that the hero could sneak into Troy, Autolycus breaks into labs and museums in New Olympia.
In Greek mythology, the Cap of Invisibility is a helmet or cap that possesses the ability to turn the wearer invisible.
Also known as the Cap of Hades, Helm of Hades, Helm of Darkness. The helm was used by numerous figures, including the Goddess of wisdom, Athena, the messenger God, Hermes, and the hero, Perseus. The Cap of Invisibility enables the user to hide from the eyes of other supernatural beings, functioning much like the cloud or mist that the gods surround themselves in to become undetectable.