full-body medieval fantasy character of a female Tiefling woman with striking red skin and distinct, demonic features, simple background, white background, colored skin, oni, She has long, white hair, side swept bangs, sidelocks, Slender and elegant, and two prominent, curved horns protruding from her forehead, Her eyes are a vivid, glowing orange, adding a supernatural element to her appearance. Her ears are elongated and pointed, characteristic of a demon, She is a tiefling fighter warrior knight wearing plate armor, her armor is a mix of metallic gray and black, with intricate patterns and engravings, suggesting a high level of craftsmanship, The armor covers her torso, arms, and legs, with a prominent breastplate and pauldrons, her hands are gloved in black leather, A suit of plate armor includes gauntlets, heavy leather boots, back armor, and thick layers of padding underneath the armor, Buckles and straps distribute the weight over the body, and black fur-trimmed leggings trouses pants and tunic vest arming garment under mail armor, ensuring the focus remains on the warrior, The overall aesthetic is medieval fantasy,