Vault

Earth Key


A key elaborately ornamented with a pattern of twisting vines and engraved with a number: #. Bring the key to the vault in Grandshelt and it will unlock the corresponding strongbox, allowing you to lay claim to the treasure within. Collect all the keys scattered across the realm and open all the strongboxes, and even greater riches await you...

The vault for earth key is in Royal Capital Grandshelt, accessible after clearing Pendant Dependent quest.

Gale Key


A key adorned with a tornado-like wind pattern. #. Bring the key to the vault in Dirnado and it will unlock the corresponding strongbox, allowing you to claim the treasure within. Collect all the keys scattered across the realm and open all the strongboxes, and even greater riches await you...

The vault for gale key is in Industrial City Dilmagia, accessible after clearing An Animal's Tale quest in Village of Ambel. Here is the step-by-step guide:
 * Clear the thief quest-line:
 * Clear Pendant Dependent quest in Royal Capital Grandshelt.
 * Clear Operation Desert Treasure quest in Grandport.
 * Clear A Thief's Legacy quest in Golzas Canyon - Exploration.
 * Obtain Earth Key #8 from Wind Shrine - Exploration.
 * Clear An Animal's Tale quest in Village of Ambel.
 * Go to the Vault in Royal Capital Grandshelt.
 * Go to the Vault in Industrial City Dilmagia. It's located on the bottom-left part of the first map.
 * You will now be able to obtain and turn in Gale Key.

Flamering Key


A key modeled after the burning sun. #. Bring the key to the vault in Zoldaad and it will unlock the corresponding strongbox, allowing you to claim the treasure within. Collect all the keys scattered across the realm and open all the strongboxes, and even greater riches await you...

The vault for flamering key is in Downtown Zoldaad, accessible after clearing Boarish Pride quest in Town of Amore and turning in Gale Key #4 from the reward. Here is the step-by-step guide:
 * Clear the Gale Key prerequisite above so you can turn in Gale Keys.
 * Clear the boar quest-line:
 * Clear What a Man Wants quest in Aquapolis Olderion.
 * Clear Boarish Pride quest in Town of Amore.
 * Turn in Gale Key #4 given as the quest reward above.
 * You will now be able to turn in Flamering Keys.

Aurora Key


A key modeled after a gorgeous light display. #. Bring the key to the vault in Mysidia and it will unlock the corresponding strongbox, allowing you to claim the treasure within. Collect all the keys scattered across the realm and open all the strongboxes, and even greater riches await you...

The vault for aurora key is in Magi Nation Mysidia, accessible after clearing Snatched Away quest in Sorcerer's Hideaway and turning in Flamering Key #10 from the reward. Here is the step-by-step guide:
 * Clear the Flamering Key prerequisite above so you can turn in Flamering Keys.
 * Clear Buried Below quest in Snowy Woods - Exploration to obtain Flamering Key #6.
 * Clear Snatched Away quest in Sorcerer's Hideaway to obtain Flamering Key #10.
 * Return to the Vault with Flamering Key #6 for a cutscene.
 * Return to the Vault with Flamering Key #10 for a cutscene.
 * Talk to the Vault Keeper again to receive the Crow's Letter
 * You will now be able to turn in Aurora Keys.

Black Key


A glossy black key that seems to hold some sort of darkness. #. Bring the key to the vault in Gronoa and it will unlock the corresponding strongbox, allowing you to claim the treasure within. Collect all the keys scattered across the realm and open all the strongboxes, and even greater riches await you...

The vault for black key is in Underworld Gaberada, accessible after clearing Remembering the Days of Ole quest in Magi Nation Mysidia and turning in Aurora Key #9 from the reward. Here is the step-by-step guide:
 * Clear the Aurora Key prerequisite above so you can turn in Aurora Keys.
 * Clear Phantom Spirit? quest in Societal Ruins - Exploration.
 * Clear Bonds Forever quest in Gronoa Shrine Entrance - Exploration.
 * Clear Remembering the Days of Ole quest in Magi Nation Mysidia.
 * Go to the vault in Underworld Gaberada for a cutscene.
 * You will now be able to turn in Black Keys.

The Legendary Raven

 * Main article: The Legendary Raven

Once you have turned in all vault keys you can start The Legendary Raven quest.