|Season:||Kamen Rider Spade Warrior|
|Whale Undead Rouze Card|
The Whale Undead is an unseen Category 5 Undead from the Suit of Diamonds. When sealed, the Whale Undead allows Kamen Rider Diamond Warrior to enhance his leg strength & power behind his heel drop kicks.
- Whale Undead - Kamen Rider Blade counterpart at Kamen Rider Wiki