Design an advertisement image showcasing an essential oil bottle containing sandalwood oil from the East Indies, emphasizing its woody essence and dark, amber-brown coloration. This oil is renowned for its deep, resonant fragrance and is presented in a setting that evokes the mysterious and majestic ambiance of an expansive forest at dusk. The mood is reminiscent of a dark fantasy film, with a palette that combines deep greens, browns, and subtle hints of misty gray, creating a backdrop that feels both enigmatic and ancient. The bottle itself is crafted with a minimalist design, allowing the rich, dark color of the sandalwood oil to stand out, contrasting sharply against the mystical forest environment. Gentle lighting focuses on the bottle, highlighting its contents and casting soft shadows that enhance the mysterious atmosphere. Around the bottle, elements of the forest such as aged wood, moss, and faintly visible forest silhouettes in the background, contribute to the narrative of a hidden treasure found within the heart of an untouched wilderness. This image aims to captivate the viewer's imagination, drawing them into a world where the ancient and noble essence of East Indies sandalwood reigns supreme, inviting them to experience its profound and earthy scent.