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Sealed Door (Japanese: 開かずのとびら Locked Door) is the 18th area in Pokémon Rumble U. It is available after the player clears Secret Warehouse In this area, the player fights one boss - Black Kyurem.
The Place to Return To
The only challenge in this level is to "Defeat the boss". This allows the player to obtain a blue capsule containing a Keldeo in its Ordinary Form.
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