An ethereal, fantasy sketch: Blue shell beast lit from within, on a wooden stage.
A detailed digital illustration featuring a surreal, snail-like creature with an elegant blue and gold shell. The shell, a glowing masterpiece, houses a soft blue light, adding mystery. The creature stands on a wooden dais, while a dark green background highlights its presence. The illustration is a carefully crafted harmony of fantasy, artistry, and intrigue, with a subtle creator watermark in the corner.