Fire Release: Mist Blaze Dance Technique

The user is able to create and blow a flammable gas from their lungs. Once it comes in contact with fire or spark, the gas ignites into a large fireball. Kagerō used this technique while disguised as Kabuto Yakushi.
es:Elemento Fuego: Jutsu Danza de Niebla Mística
pl:Katon: Kasumi Enbu no Jutsu