Card Rules: Rulings powered by The Netrep API. 'Sakuretsu Armor' targets 1 monster. If the turn player chains 'Book of Moon' to 'Sakuretsu Armor' to flip the attacking monster face-down , then the attacking monster is not destroyed by 'Sakuretsu Armor'. [Re: Butterfly Dagger - Elma] If the monster that 'Butterfly Dagger - Elma' is equipped to is destroyed as a result of battle or by a card effect like 'Sakuretsu Armor' or 'Fissure' then 'Butterfly Dagger - Elma' cannot return to your hand because it is no longer equipped to a monster. However if the monster and the 'Butterfly Dagger - Elma' are destroyed simultaneously by a card like 'Final Destiny' then you can return it to your hand. [Re: Light and Darkness Dragon] During the Battle Phase Player A attacks with 'Light and Darkness Dragon'. Player B activates 'Sakuretsu Armor'. 'Light and Darkness Dragon's' second effect does not activate and it is destroyed by 'Sakuretsu Armor'. [Re: Nitro Warrior] If 'Nitro Warrior's' second effect is used to attack again cards like 'Sakuretsu Armor' can be activated when the additional attack is declared. Passcode: 56120475 Set: 5D's Starter Deck Card Number: 5DS1-EN037 Rarity: Common Attribute: Trap Card Text: Activate only when your opponent's monster declares an attack. Destroy the attacking monster. Card Type: Normal Trap Name: Sakuretsu Armor Edition: Unlimited