Mi-Kumari

The power that awoke in Kevin's Mangekou Sharingan, and the main use of Tidal Release. It is similar to Amaterasu in that the point of casting is the focal point of the eye and that it is very difficult to defend against. But, unlike Amatersu which creates a pyre of flame at that focal point, Mi-Kumari creates a river of water emanating from the focal point that torrents in the direction the user is facing. Addtionally, while Amaterasu spreads, Mi-Kumari only moves in the aforementioned direction. Additionally, while Amaterasu can be cast multiple times, Mi-Kumari rivers will dry up when a new river is created. This is balanced by the fact that Mikumari flows twenty times faster than Amaterasu Spreads, and Mi-Kumari has far greater range.

Tidal Release damages the foe due to it's incredible acidity- while, it doesn't damage the surface it is put upon due to a thick neutral layer on it's surface and depths, anything that falls beneath that upper layer will be almost instantly gnawed away be the incredible acidity, including regular water.

Much like Amaterasu, Mi-Kumari could be potentially shaped using Tidal Release: Kuro-Okami, but that technique is purely theoretical due to Kevin only having one Mangekyo Sharingan.

Trivia

As with all Mangekyo Sharingan Techniques, this technique was named after a Shinto Deity: In this case, Ame-No-Mi-Kumari.