مدفعيّ الحصن، بطل العناصر

"Elemental HERO Clayman" + "Elemental HERO Burstinatrix"
Must be Fusion Summoned and cannot be Special Summoned by other ways. This card can attack while in face-up Defense Position, but only if your opponent controls no monsters, and if it does, this card's ATK is halved during damage calculation only.