Keppu San'u

Keppu San'u (lit. "Hideous Rain of Blood and Wind") is a  Noble Art of Shizuku Kurogane.

Description
Keppu San'u is a Noble Art, that lets the user to form thousands water spikes from a massive amount of water, which can then be launched towards the opponent. The small spikes are comparable to bullets in terms of power, and they are fired to all directions, making dodging them even more difficult.