If your opponent controls a monster and you control no monsters: Special Summon 1 Fire Beast, Beast-Warrior, or Winged Beast monster from your Deck. Its effects are negated, also it is destroyed during the End Phase. You can only activate 1 "Onslaught of the Fire Kings" per turn.
![Onslaught of the Fire Kings [HISU-EN055] Super Rare](http://www.cardmerchanttakapuna.co.nz/cdn/shop/products/ba041776-819b-5beb-8abd-b82003ae864a.png?v=1698557996&width=1445)