Create a devotional piece embodying the spirit of Revelation 22:12, in the style of Art Nouveau, utilising the defining stylistic characteristics such as organic forms, linear designs, and intricate patterns. Please ensure the representation of an ethereal entity arriving swiftly, carrying a symbolic 'reward', possibly a laurel, or a crown. This entity signifies the coming of someone, offering rewards according to the deeds of mankind. The tone should be holy and respectful, highlighting key Christian motifs. Do not include any text or words in the image.