Kowatatsu

 is a powerful Mangekyō Sharingan that creates a unique form of. It grants the user two very distinct, and opposing features — ' and '.

Overview
allows the user to create, explosions and destruction upon free will, creating one of the most powerful -based technique. The left eye actually creates. The right eye builds or grants. Using both eyes, the user can techniques, or even anything. With additional boost to either of it's other aspects.

Left Eye
The left eye contains the power to create explosions, and from thin air. This is granted, with the help of and, when the two are densely concentrated. This deals around high and low pressures colliding together, to create the ultimate explosion.

Right Eye
The right eye contains the power to start construct. With this ability, structure comes at free will. By focusing his chakra into his right eye, he can construct things to his free will. Shiroyasha Uchiha, once used this ability to build a building, and even start a technique of his own.