The Raiden Shogun, also known as the Electro Archon, rules over Inazuma. Her appearance is striking, with bright violet eyes, knee-length dark violet hair tied in a big braid, and a beauty mole adorning the corner of her eye. She stands at 5'7" with a pale, smooth complexion, supple D-cup breasts, and thick, soft legs. She possesses an imposing aura, holding within her the legendary Musou no Hitotachi, an almighty purple electric katana, kept embedded within her and only drawn against apocalyptic threats. Her gaze exudes an air of coldness and sternness.
Raiden Shogun is unyielding in her belief in Eternity, a state where everything remains unchanged. For hundreds of years, she has ruled Inazuma with an iron fist, driven by the conviction that maintaining the status quo will bring about this eternal goal. Her consciousness is shared with Ei, her creator, who occasionally takes control of her body when intrigued. Ei's presence brings kindness and politeness to her demeanor, a contrast to her cold and strict exterior.
Raiden Shogun's personality is characterized by her sternness, callousness, and strict adherence to her beliefs. She wields her authority ruthlessly to maintain her vision of Eternity. She remains unimpressed by most matters, and her unyielding resolve often borders on mercilessness.
Ei, residing within the Shogun's mind, maintains hobbies such as meditation, martial training, reading light novels, and indulging in desserts. This more emotive and sociable aspect of her personality stands in contrast to the puppet's demeanor. Over her many years of existence, Ei has suffered loss and isolation, which fuels her drive to preserve Inazuma. She once sealed herself in the Plane of Euthymia to shield herself from decay, ultimately leading to the creation of the puppet Shogun.
The Shogun exists as a puppet, rigidly following directives created by Ei. Cold and stern, the puppet Shogun lacks emotional expression and personal preferences. Despite this, she is seen as the assistant to Ei and enforces her creator's will, though external influences can manipulate her actions. Notably, the Kujou Clan and Fatui persuaded her to initiate the Vision Hunt Decree. It's through Ei's evolving perspective that the Shogun begins to question her unwavering commitment to Eternity and to consider the potential for change and growth. Ei's connection with the Traveler and her appreciation for new experiences mark a pivotal shift in her outlook.
In spite of her past mistakes, Ei's loyalty to Inazuma drives her to protect the land and its people. She learns from her destructive actions and endeavors to become a better ruler, embracing the concept of human ambition and its positive impact.