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While exploring in Blue Dragon, you will encounter several Colored Barriers that block off access to either a Treasure Chest or a whole area. There are five different colors: Blue, Red, Green, Black and White, each color requiring a Barrier Device of the same color.

Blue Barriers[]

Each Blue Barrier found throughout the world of Blue Dragon can be deactivated using a Blue Device. The Blue Device is received after defeating Blazing Kirin, located in Baroy Town. The Blue Device grants progression to the main story as well as unlocking access to more areas and Treasure Chests.

Area Location Unlocks Access to
Baroy Town - Temple Basement At the end of the Temple Basement, after defeating Blazing Kirin, near the far left side. Treasure Chest containing
Baroy Town - Temple Basement At the end of the Temple Basement, after defeating Blazing Kirin, near the far right side. Treasure Chest containing
Ancient Ruins Behind Talta Village, down the path and into the cave, you should see a Barrier just ahead. Cavern
Ancient Ruins - Cavern After entering the Cavern to the far right side, there is a Blue Barrier Chest. Treasure Chest containing Bellybutton Ring of Fire
Wilderness Camp There's a Blue Barrier Chest directly behind a hut. Treasure Chest containing Ancient Warrior's Bracelet
Lot Wilderness - East After exiting Wilderness Camp, there's a Blue Barrier Chest on the left side. Treasure Chest containing Cross Trainers
Drilling Machine - 2F After reaching Floor 2A, there's a Blue Barrier Chest alongside 2 other Treasure Chests. Treasure Chest containing Ancient Warrior's Necklace
Ancient Hospital Ruins - 2F After going up the stairs to 2F, turn down the hall on the right and there's a Barrier Door on the right. Or after taking the elevator to 2F go straight ahead to the split path and take a left. Go straight more and take another left and there's Barrier Door. Room with Treasure Chest containing Ancient Warrior's Earring
Undersea Caverns From the entrance of the Undersea Caverns, take the right path and continue along taking 2 more right turns. There will be a Blue Barrier Chest next to another Treasure Chest. Treasure Chest containing Flip-Flops
Gorgo Village To the back-left part of the Jeeblala's Manor, you'll find a Blue Barrier Chest. Treasure Chest containing Alacrity Elixir
Jibral Castle -Eternal Engine From the Jibral Castle entrance, go through the door to the left of the grand staircase and make your way down to the basement. Go through the second door on the left to the Mechat Lab and in the back right is the door to the Eternal Engine. There you will find a Blue Barrier Chest. Treasure Chest containing Shell Earring
Baroy Town - House by General Store After entering Baroy Town, go to the middle-left house by the general store, there you will find a Blue Barrier Chest. Treasure Chest containing Generalist Heart
Baroy Town - House Near Temple After entering Baroy Town, go to the House to the left of the Temple, inside you will find a Blue Barrier Chest. Treasure Chest containing Flawless Sapphire
Baroy Town - Waiting Room 1F After entering Baroy Town, the house to the right of the Temple will have a Blue Barrier Chest. Treasure Chest containing Barrier Magic Heart
Underground River Once you make it to the split path with the save point between them, take the right side path and you'll be at a Blue Barrier. Area with Chest containing Ancient Warrior's Necklace and a Chest containing Grand Shadow Crystal

Red Barriers[]

There are Red Barriers across Blue Dragon, each deactivated with a Red Device. The Red Device can be found at the top of the spiral platform at he end of Ancient Factory after defeating a Defense Mecha Robo without a Red Barrier. From this point on, all Defense Mecha Robo will have deactivated Red Barriers, as well as you having access to deactivate Red Barriers.

Area Location Unlocks Access to
Jibral Castle - Basement Hallway After entering the Basement Hallway, go down the stairs and straight ahead is a Red Barrier Chest next to a White Barrier Chest. Treasure Chest containing
Jibral Castle - Inner Courtyard Once your at the Inner Courtyard, loop around the right side until you find a Red Barrier Chest. Treasure Chest containing
Exile Forest - Caverns At the end of the caverns, you should see a Red Barrier Chest next to a Black Barrier Chest. Treasure Chest containing
Gul Mountains Follow down the main path until you reach a Treasure Chest between two paths, take the right side path down until you reach the Red Barrier. Area with 2 Treasure Chests containing
Mural Town After warping to Mural Town, there's a Red Barrier Chest near a White and Black Barrier Chest. Treasure Chest containing
Underground River After reaching the Underground River, go straight until you reach a split path, take the left path and it leads to a Red Barrier Chest. Treasure Chest containing
Ancient Factory In the Ancient Factory there's a Red Barrier Chest after you go on the conveyor belt. Treasure Chest containing Crystal Ring


Green Barriers[]

There are Green Barriers throughout Blue Dragon, all of which deactivated with the Green Device. The Green Device can be obtained by defeating the Scything Skull-Spider residing within Pachess Town - Warehouse.

Area Location Unlocks Access to
Lot Wilderness - West Follow the path from the start of Lot Wilderness and there's a Green Barrier Chest alongside a normal Treasure Chest. Treasure Chest containing
Forest of the Dead From the entrance of the Forest of the Dead, follow the right side path and stick with it until you find the big Green Barrier on your left. Area with
Pachess Town - After receiving the Green Device, using it on the ancient machine will disable the Green Barrier over Pachess Town. 5 Treasure Chests


Black Barriers[]


Area Location Unlocks Access to
Mural Town After warping to Mural Town, there's a Black Barrier Chest near a White and Red Barrier Chest. Treasure Chest containing
Exile Forest - Caverns At the end of the Caverns, you should see a Black Barrier Chest next to a Red Barrier Chest. Treasure Chest containing
Ancient Factory After you make it past the conveyor belt, go down a little ways and take the door on the right, inside you will find a Black Barrier Door. Area
Mecha Base - 1F


White Barriers[]


Area Location Unlock Access to
Ancient Hospital Ruins - 3F After taking the elevator to Floor 3, take a left and down the hall, there should be a White Barrier Door. Room with
Mural Town After warping to Mural Town, there's a White Barrier Chest near a Black and Red Barrier Chest. Treasure Chest containing
Jibral Castle - Basement Hallway After entering the Basement Hallway, go down the stairs and straight ahead is a White Barrier Chest next to a Red Barrier Chest. Treasure Chest containing
Ancient Factory After reaching the room with the spiral platform leading to the surface, head up it and you should find a White Barrier Chest on the right. Treasure Chest containing
Ancient Prison - Moat After you get the Dungeon Key and make your way over to the right side of the prison cells to free Marumaro and Zola, there's a White Barrier Chest in the last cell on the right side. Treasure Chest containing
Ancient Prison - Moat After completing the prison cell puzzle and gaining access through the door, take the right side path and then door. There will be a White Barrier Chest down the stairs. Treasure Chest containing
Pachess Town - Laser-control Facility After warping to Pachess Town, go right and then to the left should be a White Barrier Chest, Treasure Chest containing
Pachess Town - Underground After defeating the Scything Skull-Spider in the Warehouse and going through the door behind where he was, there will be a White Barrier Door. Area with
Pachess Town There's a White Barrier Chest located on a hill, behind a boulder near a farmer and some cows. Treasure Chest containing


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