Screenshot via Bounding main of Thieves Wiki

The Hider of Legendary Secrets Commendation in Sea of Thieves requires y'all to bury xx treasures of value to the Athena'south Fortune Company. You lot tin can track your progress by tabbing over to the Pirate Log in the chief carte du jour, pressing Reputation, Bilge Rats, then Cached Treasure. The Commendation volition be on the far-right side of the second row on the outset page. If you yet need Hider of Legendary Secrets, here'due south how you tin can get information technology.

Finding Legendary Treasures

Image via Ocean of Thieves Wiki

Legendary treasures (aka Athena'southward Treasure Items) are special items that you can sell to the Athena'south Fortune Company via the Mysterious Stranger, who you lot tin can observe at the back of whatever tavern at whatsoever Outpost across the Sea of Thieves. Athena's Treasure Items include:

  • Chest of Legends
  • Ashen Chest of Legends
  • Chalice of Ancient Fortune
  • Gilt Relic of Ancient Fortune
  • Skull of Ancient Fortune
  • Villainous Skull of Aboriginal Fortune
  • Crate of Legendary Voyages
  • Keg of Ancient Blackness Pulverization

You tin learn these legendary treasures by completing Athena's Fortune Voyages, Athena'due south Fortune Emissary Quests, or The Athena'south Run Mercenary Voyages. Y'all can but access these quests if you or someone in your crew is a Pirate Legend (level 50 in at least three trading companies). If yous're not a Pirate Legend yet, you'll need to detect and steal these items from other crews, which is pretty random, unfortunately. You lot could also hope a crew is friendly and ask if they'd let y'all bury their items and and so dig them support before they sell them if y'all want to avert disharmonize.

Related: How to go the Warning Shot Commendation in Sea of Thieves

Burying Legendary Treasures

Once you lot've acquired ane of the same legendary treasures, just get to whatever island, find a nice spot to dig, identify the item down on the footing, equip your Shovel from your Equipment Radial, and hold Left Trigger (LT) when the prompt appears while looking at the item to begin burying it. You'll have to agree LT a few times as each animation completes. Once the item is totally cached, you lot'll go progress toward the Hider of Legendary Secrets Commendation. From there, you tin can dig the items back up to sell. Remember that you can't rebury the aforementioned item to have it count more than than in one case toward the Commendation, so yous'll need to observe 20 unlike legendary treasures.