Tensō Jūrin

is a technique of Tōshirō Hitsugaya's Zanpakutō, Hyōrinmaru.

Description
One of Hyōrinmaru's basic powers, as well as its strongest, it allows Hitsugaya to control the weather in the immediate vicinity, or more specifically, control the water in the surrounding atmosphere. The ability is usable in both Shikai and Bankai. However, Hitsugaya admits this aspect of his powers is not fully mature and states he does not like to use it in Bankai mode, for he is not sure if he could control it and keep it from killing everyone in the vicinity.