Agartha

Agartha is a legendary kingdom that is said to be located in the Earth's core. It is related to the belief in a hollow Earth and is a popular subject in esotericism. It is also the power source where Blitz Motor technology being created and mass produced, one of which founded beneath Tibet.

Civilization
According to the research, it is said that Agarthan civilians have a potential to draw the power of electrokinesis. One of their descendants being Akatsuki.