Fortress Whale's Oath (TSC)
- Yōsai Kujira no Chikai
"Fortress Whale's Oath" can be purchased in the shop.
- When the player wins a Duel, up to 50 cards are added to the shop. Each has an intended probability of 27/30,000 being this card. But due to a bias in the random number generation, it is actually a probability of 54/65,536.
- When the player enters this card's password (77454922), it appears in the shop.
"Fortress Whale's Oath" can be obtained via ante from the following pools. The chance of winning it is listed as a percentage and a probability out of 2048.
The following characters use "Fortress Whale's Oath" in their Deck.