Haienkei

Ashen Smoke Ninjutsu is a Hiden ninjutsu that allows users to manipulate smoke and ash into attacks. While it is considered apart of the Fire Release, it is considered apart of the Ashen Smoke Ninjutsu as opposed to the wider Katon ninjutsu. Ashen Smoke Ninjutsu it is a type of ninjutsu that has been passed down within the Mokkan　木管 clan, one of the most respected members in Kusagakure (草隠れの里　Hidden Grass Village). The Ashen Smoke Ninjutsu, while it can burn opponents, deliver a more prolonged damage to opponents. The smoke chokes and smothers opponents as well suffocates them through smoke inhalation. It can also materialize into denser forms of smoke as well as cause visibility/sensor difficulties. Most Mokkan clan members use cigarettes, wooden pipes, or other smoke inhaling devices to form attacks.Using a inhalation device increase the production rate of smoke and ash.