Rio Kastle

Rio Kastle is a anime/manga character in the Yu-Gi-Oh! franchise
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One of the main characters in Yu-Gi-Oh! Zexal as the younger sister of Shark. Later, she is revealed to be Merag, one of the Seven Barian Emperors.

Merag once ruled over the United Lands of the Poseidon Ocean alongside her brother, Nasch.

General Information Edit
Name: Rio Kastle
Gender: Female
1st manga book:
1st anime episode: Yu-Gi-Oh! Zexal #26
1st anime movie:
Aliases Rio Kamishiro
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