A striking female Hexblade warlock from Dungeons & Dragons 5.5 standing deep within a cursed underground ruin, surrounded by ancient broken stone, black mist, shattered statues, old bones, and forbidden runes glowing faintly in the darkness. She is a beautiful dark knight-warrior with pale skin, cold gray eyes, and dark hair tied in a half-up half-down ponytail, loose strands framing her face. She wears dark battle-worn half-plate armor with blackened steel plates, worn leather, silver raven decorations, engraved feather patterns, and subtle shadowy runes etched into the metal. She stands in a powerful combat-ready stance, gripping a massive sword with both hands, the blade dark and ancient, radiating a cursed aura of shadow, silver light, and ghostly whispers. Her expression is composed, ruthless, and haunted, as if her power comes from a sentient weapon bound to her soul. The ruin around her feels ancient and forbidden, with gothic arches, cracked floors, collapsed pillars, hanging chains, dead candles, and spectral raven silhouettes in the darkness. Grimdark fantasy, cursed knight, Hexblade warlock, shadow magic, cinematic composition, ultra detailed, realistic painterly style, dramatic rim lighting, deep shadows, gothic horror atmosphere, powerful and elegant battle pose