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{{about|the OCG [[Structure Deck]]|the TCG [[Structure Deck]]|[[Structure Deck: Realm of the Sea Emperor]]}}
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'''''Structure Deck: Roar of the Sea Emperor''''' is a [[Structure Deck]] in the ''[[Yu-Gi-Oh! Official Card Game]]'' (''OCG''). It is the twenty -third deck in the OCG's Structure Deck series (thirty -first including the Character Structure Decks), following ''[[Structure Deck: Dragonic Legion]]''. The [[TCG]] equivalent of this deck is [[Structure Deck: Realm of the Sea Emperor]].
==Features==
