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All 22 Locked Treasure Chests - One Piece Odyssey

This collection includes every marker from the Locked Treasure Chests category of points of interest in One Piece Odyssey, all placed on interactive maps created specifically for the game.

There are a total of 22 Locked Treasure Chests in One Piece Odyssey, 8 in Waford, 4 in Alabasta, 5 in Water Seven, 1 in Marineford, and 4 in Dressrosa. To open these chests you need a special key which you will get when you complete all four side stories involving the "Zoners":

  1. Grand Line Quiz Kid Level 1 / 2 / 3 (Alabasta)
  2. Grand Line Quiz Lady Level 1 / 2 / 3 (Water Seven)
  3. Grand Line Quiz Madam Level 1 / 2 / 3 (Marineford)
  4. Grand Line Quiz Mister Level 1 / 2 / 3 (Dressrosa)

Once you open all 22 locked treasure chests, you will unlock the "Treasure Hunter" achievement / trophy.

Index

The index below enables quick navigation to the desired marker / point of interest.

All known locations on the map - Waford

Locked Treasure ChestSky Tower Locked Treasure Chest

Contains: Waford Necklace - A cube fragment containing extracted power of superior technology from Waford's days as a Sky Island (TP Efficiency +60%).

Sky Tower Locked Treasure Chest

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Locked Treasure ChestSky Tower Locked Treasure Chest

Contains: Odyssey Necklace - A cube fragment containing concentrated power extracted from the Straw Hats' adventurous spirit (GUTS +900).

Sky Tower Locked Treasure Chest

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Locked Treasure ChestWaford South Locked Treasure Chest

To get here you must use three Zoro's Cube Fragments to upgrade his "Door Slice" field skill. Contains: Wild One's Necklace - A cube fragment containing concentrated power extracted from various wild monsters (GUTS +620).

Waford South Locked Treasure Chest

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Locked Treasure ChestWaford South Locked Treasure Chest

Contains: Shock Element Jewelry - A cube fragment that adds lightning to your attacks. Only effective when the type added is a weakness.

Waford South Locked Treasure Chest

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Locked Treasure ChestWaford South Locked Treasure Chest

Contains: Waford Ring - A cube fragment containing extracted power of superior technology from Waford's days as a Sky Island (HP Auto Regen +500).

Waford South Locked Treasure Chest

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Locked Treasure ChestWaford South Locked Treasure Chest

Contains: TP Auto Regen Jewelry - Regenerates TP every turn (TP Auto Regen +70).

Waford South Locked Treasure Chest

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Locked Treasure ChestWaford South Locked Treasure Chest

Contains: HP Auto Regen Jewelry - Heals HP every turn (HP Auto Regen +250).

Waford South Locked Treasure Chest

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Locked Treasure ChestWaford South Locked Treasure Chest

Contains: HP Conversion Jewelry - A cube fragment containing special, extracted power. Heals HP based on damage dealt to enemies (HP Drain +10%).

Waford South Locked Treasure Chest

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All known locations on the map - Alabasta

Locked Treasure ChestDesert Near Nanohana Locked Treasure Chest

Contains: Waford Crown - A cube fragment containing extracted power of superior technology from Waford's days as a Sky Island (HP Drain +20%). To get here Franky must be with you, because he can build the bridge.

Desert Near Nanohana Locked Treasure Chest

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Locked Treasure ChestGreat Sandy Desert Locked Treasure Chest

Contains: TP Regen Jewelry - Regenerates TP every time you receive damage (TP Regen + 50).

Great Sandy Desert Locked Treasure Chest

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Locked Treasure ChestGreat Sandy Desert Locked Treasure Chest

Contains: Evasion +20 Jewelry - Increases evasion rate (Lucky Evade +20%). To get here Franky must be with you, because he can build the bridge.

Great Sandy Desert Locked Treasure Chest

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Locked Treasure ChestNanohana Locked Treasure Chest

Contains: TP Cost Reduction Jewelry - Lowers the TP cost for skills (TP Efficiency +50%).

Nanohana Locked Treasure Chest

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All known locations on the map - Water Seven

Locked Treasure ChestDock One Locked Treasure Chest

Contains: Death's Edge Power Jewelry - Greatly increases ATK when on the verge of death (Adrenaline ATK +50%).

Dock One Locked Treasure Chest

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Locked Treasure ChestSewer Locked Treasure Chest

Contains: TP Regen Jewelry - Regenerates TP every time you receive damage (TP Regen +50).

Sewer Locked Treasure Chest

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Locked Treasure ChestSewer Locked Treasure Chest

Contains: Odyssey Crown - A cube fragment containing concentrated power extracted from the Straw Hats' adventurous spirit (HP +2500).

Sewer Locked Treasure Chest

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Locked Treasure ChestWater Seven City Area Locked Treasure Chest

Contains: TP Auto Regen Jewelry - Regenerates TP every turn (TP Auto Regen +70).

Water Seven City Area Locked Treasure Chest

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Locked Treasure ChestWater Seven City Area Locked Treasure Chest

Contains: HP Auto Regen Jewelry - Heals HP every turn (HP Auto Regen +250).

Water Seven City Area Locked Treasure Chest

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All known locations on the map - Dressrosa

Locked Treasure ChestDressrosa City Area Locked Treasure Chest

Contains: Fire Element Jewelry - A cube fragment that adds fire to your attacks. Only effective when the type added is a weakness.

Dressrosa City Area Locked Treasure Chest

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Locked Treasure ChestDressrosa City Area Locked Treasure Chest

Contains: Wild One's Crown - A cube fragment containing concentrated power extracted from various wild monsters (ATK +1400)

Dressrosa City Area Locked Treasure Chest

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Locked Treasure ChestDressrosa City Area Locked Treasure Chest

Contains: Freeze Element Jewelry - A cube fragment that adds freeze to your attacks. Only effective when the type added is a weakness.

Dressrosa City Area Locked Treasure Chest

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Locked Treasure ChestNew Royal Plateau: Bottom Locked Treasure Chest

Contains: Evasion +20 Jewelry - Increases evasion rate (Lucky Evade +20%).

New Royal Plateau: Bottom Locked Treasure Chest

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All known locations on the map - Marineford

Locked Treasure ChestMarineford City Area Locked Treasure Chest

Contains: TP Auto Regen Jewelry - Regenerates TP every turn (TP Auto Regen +70).

Marineford City Area Locked Treasure Chest

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