Water, earth, air, fire a sequence that determined the natural order of the Avatar world. A sequence that enslaved the majority but ignored reality.
for the most important element of them all was ones self. Energy that can be focoused into a single thought, movement, or blade. The Shinto clan was taught this by a spirit named Bishamonten. The spirit connected to the members of the clan through brief moments of self reflection and inner peace and guided them to protect his temple and the island of yesso. But that changed on day.