Amaterasu-Omikami is the principle deity of the Iron Masters, held to be the ancestor of the ancient Japanese imperial family.

Amaterasu is a sun god of male aspect, and in Iron Master mythology is held to be the perpetrator of the Holocaust: furious with the moral decline of humanity and its abandonment of spirituality and honour in pursuit of hedonism and technology (particularly in Japan), Amaterasu is said to have hurled the sun into the ocean, setting it on fire and destroying much of the world.

The current depiction of Amaterasu is at odds with Pre-H accounts which list the god as female. The change in sex has come to reflect the more martial and male-focused aspects of Iron Master society.

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