Craft an atmospheric and evocative advertisement image that showcases an essential oil bottle filled with premium sandalwood oil, sourced from the exotic East Indies. This image should deeply embody the essence and spirit of sandalwood, with a strong emphasis on the rich, wooden texture that speaks to its origin. The bottle, designed with elegance and simplicity, allows the dark, amber-colored oil to shine through, suggesting its dense, woody aroma and its luxurious essence. The setting is within the depths of a vast, ancient forest, under the cloak of twilight, to convey a sense of mystery and primordial beauty. The colors are predominantly dark and earthy, with shades of brown and subtle hints of green, reminiscent of a fantastical forest from a dark fairy tale or a mystical movie setting. This backdrop should create a contrast that highlights the sandalwood oil bottle, making it a beacon of warmth and natural luxury amidst the cool, shadowed woods. Around the bottle, incorporate elements that suggest the noble sandalwood tree, perhaps with carvings or illustrations of its leaves and wood, to immediately communicate to the viewer that this is indeed sandalwood oil. The overall mood of the image is one of enchantment, elegance, and the deep, grounding presence of nature, designed to captivate potential customers with the allure of East Indian sandalwood oil.