A massive, dark castle perched on a jagged mountain peak, towering above a deep, shadowy abyss. A crumbling stone bridge stretches precariously across the chasm, leading to the castle's ominous entrance. The atmosphere is heavy with fog and gloom, while a fiery red lightning bolt cracks through the stormy sky, striking the highest tower. The castle’s windows glow with an eerie crimson light, casting long shadows across the mountain. The scene is filled with tension, darkness, and a haunting, otherworldly energy