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Cornelia Castle, in north-east part. A door that was locked by mystic door.

The Nitro Powder is located in Castle Cornelia. Its in the north-eastern part of the castle and it is locked by the mystic key which you can acquire from the elf king once you wake him up. JuriSuzukiDissicon ff13 Lig1 13:36, April 14, 2013 (UTC)

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