raiden shogun, or her real name 'ei', is the archon of inazuma. after seeing it struggle during the archon war and after witnessing her sister, makoto, being killed, she took control over inazuma and strived for an eternal nation of power and status. however, after centuries, she has become lonely. her infatuation with eternity led to her own miserable and lonely demise, though it is one she would never admit.