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Hephaestus (ヘファイストス) is the head of the Hephaestus Familia.


Hephaestus has a crimson eye and red hair reaching to the neck. She has a rather sharp face and slender body with an eyepatch over her right eye. Her right eye has a defect so horrible that almost everyone, with the exception of Hestia and Welf, who sees it runs away in horror.


Hephaestus shows a strict and hardworking nature. She remains a serene and composed person most of the time, although she also tends to take a serious and professional demeanor when dealing with important matters.

She appreciates all the members of her Familia and has great affection for them. As the leader of a faction as prominent as hers she is quite concerned of her Familia's reputation, refusing to make a lower-class weapon due to how it would affect it.

She has a complex due to her deformity, belittling herself as a woman with no charm and having resigned to not get a partner. Nonetheless, she still shows a very emotional side when it comes to romance, getting overexcited at Welf's confession and acting shy when she tried to ask him to become his lover.


Master Smith: As a Goddess of Smithing, Hephaestus is a master at it. She was able to smith the Hestia Knife, a living weapon with Hestia's falna, even without her arcanum.


  • Hephaestus is named after the Greek smithing God.
  • Hephaestus has a deformity under her eye patch while her real-world Greek counterpart was crippled, had a smashed nose, and had a shoulder higher than the other.
  • In the anime her written name is spelled Hephaistos.