A whimsical illustration of a mystical realm, where vibrant flat art style meets enchanting magic. In a serene landscape with soft focus and pastel hues, delicate brushstrokes depict a wispy fog swirling around ancient, glowing runes. A gentle beam of golden light illuminates the scene, casting a warm glow on the mystical symbols. The overall composition is balanced by the subtle gradient of colors, inviting the viewer to step into this mystical world.