Create an aroma diffuser featuring a ceramic exterior inspired by the colorful, whimsical designs of Antoni Gaudi's Park Guell in Barcelona, styled as a vibrant, mosaic dragon. This piece showcases hyper-detailed, hyper-realistic digital art, akin to artstation levels of detail, set against a white background. The dragon's form boasts intricate patterns and vivid colors, capturing the essence of Gaudi's artistic flair. Designed with Unreal Engine precision, the image is presented in stunning png 8K, with a sophisticated depth of field effect. The dragon’s eyes emanate a soft, inviting glow, adding a touch of mystique to its elaborate design.