Kuzuryu Riverfall is a dragon made of Rain Flames. It was stated by Fon that Kuzuryu Riverfall was named after a nine-headed Dragon because of its swift current. While using this attack, Asari's back is completely exposed, though later on he revealed that he did this on purpose in order to test Yamamoto's resolve. Asari Ugetsu later revealed that he made up this attack and Frozen Rain on the spot while he was fighting Yamamoto.