"Design a magical background that combines rich blue tones and deep reds, reflecting a mystical atmosphere. Let blue evoke the shadows of a magical forest, while red represents a mysterious magic that pervades the atmosphere. A sky full of illuminated crystals, stars and magical traces, this "Let it complete the mystical world. Let the color transitions and details invite the viewer to get lost in this magical atmosphere." Imagine a plan. ultra hd, photography, realistik, --ar 9:16