Usually the user remotely initiate flames upon placing an animal on a target and activate through kunai, the user utilizes a series of formula's onto an area through Swamp of the Underworld or applying the formula onto blood dragons where they attack the target but unknown to them, seals are being applied around until its complete allowing the user to summon burning flames and burn their target till they are completely charred. The flames can, however, be absorbed and sealed away through various methods.