A dramatic and intense poster featuring a formidable female Sith Lord from the Star Wars universe, showcasing her menacing presence in a dystopian landscape. Her dark, flowing cloak billows behind her as she stands confidently with a double-bladed red lightsaber ignited in hand. The background is a chaotic scene with towering structures and thunderous storm clouds, illuminated by distant flashes of lightning. Her piercing eyes glimmer with a sinister glow, reflecting her mastery of the dark side. Her elaborate, intricate armor subtly highlights her power, while small sparks of energy ripple around her, suggesting untapped potential and the imminent threat she poses.