- This is the first Spell Card to allow total field clearance aka Nuking.
- This card depicts a mushroom cloud, a type of cloud made of debris, smoke, and vapor that forms over the site of a particularly powerful explosion, most infamously those resulting from the detonation of nuclear weapons.
- Also, the card's Japanese name, "Last War" refers to Nuclear War or WWIII, a cataclysmic war that uses hundreds of thermonuclear weapons to cause widespread destruction and massive loss of life in various countries, eventually causing a Nuclear Winter and leading to an extinction event.
- "Raimei" can be seen in the sky in this card's artwork.
- In Yu-Gi-Oh! Duel Monsters 4: Battle of Great Duelist, this card doesn't just Destroy all cards on field, but also discards all cards from both players's hands.
- This card and "Guarded Treasure" have the same cost of activation.