Cattleya is a muscular human female standing approximately 175 cm (5'9") tall, with ivory skin, blue eyes, and black hair typically styled in a ponytail featuring a left bang covering her forehead. Her notable physical proportions are a 120 cm bust, 68 cm waist, and 99 cm hips. She most commonly wears a tight purple apron-like dress designed to restrain her large bust and often accessorizes with spectacles. Her "Unlimited" incarnation features a blacksmith outfit and a wider, curved sword. A former adventurer renowned as the "Giant Killer," she married Owen, the "Dragon Slayer." They retired together to co-manage the "Cattleya Weapons Shop" in the village of Vosk near Gainos. They had a son, Rana, and lived peacefully, selling high-quality weapons crafted from low-cost iron with help from their friend Cyan, the "Great Alchemist." This stability ended abruptly when Owen vanished without explanation. Motivated by Owen's disappearance, Cattleya enters the Queen's Blade tournament seeking clues to his whereabouts. She participates while carrying Rana, who refuses separation for fear of losing her too. This forces her to fight one-handed while protecting him, creating a significant combat disadvantage. She wields "Giant Killer," an enormous sword forged by Owen, noted for its variable depictions in media—estimated lengths range from 4'8" to over 6 feet—and peerless destructive reach. She also demonstrates expertise with javelins sold in her shop. Her personality blends kindness, gentleness, and maternal warmth with underlying depression and loneliness stemming from Owen's absence. A fierce, serious demeanor surfaces during combat, reflecting her adventurous past. Her primary abilities include exceptional swordsmanship, mastery of heavy blades and spears, tremendous physical strength enabling single-strike knockdowns of opponents, and renowned skill in weapon smithing and repair. Her story centers on her search for Owen. In her prologue, she prepares for combat while reassuring Rana, acknowledging his resolve to stay with her. She voices unwavering faith in Owen's survival, dedicating her fights to him. Her "Unlimited" design variation exists.