![Dharc the Dark Charmer, Gloomy [BACH-EN049] Super Rare - Yu-Gi-Oh!](http://commonboxgames.com/cdn/shop/files/eb455c2f-1141-54f1-8283-01d37cf685d9.jpg?v=1778440486&width=600)
![Fortress Whale's Oath [SBC1-ENC17] Common](http://commonboxgames.com/cdn/shop/files/512286.jpg?v=1778447950&width=1200)
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| Set: | Speed Duel: Streets of Battle City |
| Card type: | Ritual Spell |
| Rarity: | Common |
This card is used to Ritual Summon "Fortress Whale". You must also Tribute monsters from your hand or field whose total Levels equal 7 or more.
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