Visual representation of the number 666, inspired by the book of Revelation, Chapter 13:18, manifested in an Art Deco style. The piece should dedicate itself to the spirit of devotion and respectful imagery towards Christianity. The use of geometric forms, symmetry, and streamlined shapes that are typical of the Art Deco style can be incorporated. Please refrain from using any text or words in the design, focusing instead on visual symbols and cues.