A majestic celestial Eastern dragon with iridescent sapphire scales and flowing mane of starlight, coiling through an endless aurora borealis sky above frozen northern mountains at midnight, expressive wise golden eyes with detailed aurora light reflections, cel-shaded with bold black outlines, dynamic spiral composition with trailing cosmic dust particles, deep cosmic purple and bright cyan gold palette with soft aurora glow, powerful mystical mood, scattered meteor shower fragments and distant northern lights wisps, Chinese mythology creature concept art with soft bokeh of distant snow-capped mountain peaks