watercolor, wet on wet, paintstreaks, watercolor painting, In a dark forest where shadows dance in the moonlight, there is a mysterious castle shrouded in fog. Its stone walls are covered in moss and lichen, and its stained glass windows sparkle with blood- red hues. Spirits wander around, their transparent silhouettes shimmering among the trees. In the foreground is a heroine with long black hair and dark eyes, dressed in leather and fur. She holds a magical artifact in her hands, emitting a dim light, as if calling on old powers. The atmosphere is permeated with mystery, and the air is filled with the scent of magic and danger