Create a fantasy-styled collage that illustrates a sister. Involve elements such as mystical forests, enchanting castles, mythical creatures, or magical artifacts. The girl, appearing as a sister figure, should be centrally positioned, with a distinct aura of magic surrounding her. She can have features like glowing eyes, wings, or unusual attire (like a cape, robe, or armor), strengthening her fantasy aspect. Also, feel free to include symbols and elements frequently found in fantasy art, like ancient runes, glowing orbs, star constellations, or magical plants.