User uses their flame to burn the kanji for "explode" (爆, baku) on an object. This infuses the object with the power of users flame. Upon users signal the will explode detonating like an enormous stick of TNT. This is an incredibly versatile technique simply because there is no limit to the number of objects user can inscribe at one time. Akarumii shokubai can be used in can be detonated in sequence, allowing them to be used to trap opponents. The flammability and size of the object determines the size and strength of the explosion.