Key

Key Items are special Medallion like Items in the Sea of Thieves that can open various locked rooms, Treasure Vaults or Collector's Chests.

Types of Keys
There are various types of Key Items:

Fort Vault Keys
These are large round, skull embossed objects that are dropped by active Fort bosses and are used to unlock their Vaults.

Container Chest Keys
These are smaller keys that are used to unlock various types of Container Chests.

Quest Item Keys
These are the various Quest Items that are used as Keys to unlock various locked objects during Tall Tales or Voyages.