Design a banner for a YouTube channel with a dark and mysterious theme

Design a banner for a YouTube channel with a dark and mysterious theme, dedicated to curiosities and enigmatic information. Design should capture the essence of mystery and intrigue, reflecting the channel's fascinating and hidden content. Main Elements: fund: A hazy, smoky background, with a dark color palette like black, gris, dark blue and purple. Include a fog texture or a shadowy forest scene to create depth and mystery. Central symbol: An enigmatic symbol, like a triangle with a stylized eye, an ancient key or a mystical symbol, positioned centrally or slightly offset to give an interesting visual touch. The symbol should be illuminated by a soft light or a soft glow that highlights the main element against the dark background.. Additional Visual Elements: Add details like an open old book with light emanating from the pages, an hourglass with black sand or crows in flight to enrich the composition. Include silhouettes of trees or ancient ruins to reinforce the mysterious theme.. Typography: The channel name must be in a Gothic font, serif or reminiscent of old writing, placed in a prominent place on the banner. The font should be legible and may have glow or shadow effects to stand out against the dark background.. Additional Detail: Small alchemical symbols or mystical elements along the edges or at strategic points of the banner to add a touch of mystery. Subtle light and shadow effects to create dramatic contrast and draw attention to the central symbol and text. General Atmosphere: The banner should convey a sense of curiosity and suspense., inviting viewers to explore the mysteries and curiosities offered by the channel. Dimensions and Layout: Make sure your design is optimized for YouTube banner dimensions (2560 x 1440 pixels) and that text and key elements are visible in safe areas for different devices.