The user can create firestorms, conflagrations of intense temperature, capable to incinerating any and everything in the path. The flames can come from any source of fire or heat, such as simple or magic flames or lava or even solar energy.
Itachi Uchiha (Naruto) creating a firestorm of inextinguishable black flames.
Akua Shuzen (Rosario + Vampire II) standing amidst a raging firestorm that Huang Feihong's Salamander created.
Crabbe/Goyle(Harry Potter) creating a firestorm of cursed fire.
Okumura Rin (Blue Exorcist) generating a firestorm of blue flames.
Charizard (Pokemon) Flamethrower.
Rei Ōgami (Code:Breaker) creating a firestorm of Azure Flames.
Halloween (Marchen Awakens Romance) can use his Weapon ÄRM, Cross Dagger to shoot missiles of fire from the large cross tied to his back. The fiery missiles can create a large inferno and incinerate anyone inside.