Fortress Whale's Oath Gallery Rulings Errata Tips Appearances Trivia Lores Artworks Names Anime Yu-Gi-Oh! The Duelists of the Roses Yu-Gi-Oh! Forbidden Memories Yu-Gi-Oh! Duel Monsters II: Dark duel Stories In episode 69, Mako Tsunami uses this card during his duel against Joey Wheeler. He uses this card to Tribute "Jellyfish" and "Great White" in order to Ritual Summon "Fortress Whale". Retrieved from "https://yugioh.fandom.com/wiki/Card_Appearances:Fortress_Whale%27s_Oath?oldid=2574508" Category: Card Appearances Community content is available under CC-BY-SA unless otherwise noted.