![Fortress Whale's Oath [SBC1-ENC17] Common](http://mediareload.net/cdn/shop/products/ce9e6a7e-3851-5102-af40-f06b36af3f39_1024x1024.jpg?v=1709201287)
![Fortress Whale's Oath [SBC1-ENC17] Common](http://mediareload.net/cdn/shop/products/ce9e6a7e-3851-5102-af40-f06b36af3f39_480x480.jpg?v=1709201287)
| 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.
| Set: | Speed Duel: Streets of Battle City |
| Card type: | Ritual Spell |
| Rarity: | Common |