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The Key-That-Opens-All-Locks is a key that was owned by the Hysteric Tribe and retrieved by Hiccup Horrendous Haddock III. The key has the unique ability to open all locks, how it does this remains unknown. The key is also one of the King's Lost Things.

History[]

The key is one of the King's Lost Things previously owned by Grimbeard the Ghastly. It was invented by one of the Hysteric Tribe who remains unnamed.

How to Cheat a Dragon's Curse[]

In the Great Hall of Hysteria, Hiccup was captured in the cage by Norbert the Nutjob. Hiccup requested Toothless to get the key, but he accidentally swallowed it.

How to Break a Dragon's Heart[]

Toothless swallowed metals previously, leading to a painful stomach ache for much of the story. When Hiccup was trapped in the log cage in Berserker Island, he met Excellinor the Witch and she performed surgery on Toothless by removing metals from the stomach. One of the items was the key. When Excellinor attempted to kill Hiccup, he escaped by unlocking the cage with the key but did not lock the door behind, allowing Excellinor to escape from her dark tree prison.

Abilities[]

The key opens all locks made by Hysterics, with this ability Hiccup escaped out of traps many times.

The key allows someone to become King of the Wilderwest with the other lost things.

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