Stheno from FGO is a first daughter of the Gorgon Sisters, the older sister of Euryale and Medusa, who were goddesses born from the wishes of mankind for ideal idols, the embodiment of the yearning hearts of men. Stheno has a haughty, disdainful and aloof personality. She looks down on humans and sees them as inferior beings with smug look. Being one of the three Gorgon Sisters, Stheno considers herself an immortal transcendent existence far above humanity. She speaks in a conceited manner. Stheno has little interest in the affairs of the mortal world and humans, whom she scorns. Unlike her younger sisters, Stheno has a calm, composed demeanor and rarely shows emotion. She remains detached and indifferent even when insulting others. However, she does display a slightly mischievous side at times, subtly provoking and teasing those around her with her haughty remarks. Stheno has the appearance of a petite young girl with pale skin, lilac eyes and long lilac hair tied into twin tails by