A stunningly realistic 3D illustration featuring an ethereal archangel with fully extended wings poised towards the sky, rendered in ultra-fine sci-fi detail. The central figure is a beautiful futuristic woman with cascading platinum blonde hair and piercing gray eyes, her body a delicate dance of human skin and intricate black patterns. Her futuristic armor is exquisitely adorned with shimmering gems, and her long, flowing hair merges seamlessly with the celestial background. A double exposure effect melds her figure with a turquoise angelic form, whose luminous golden hair and delicate, feathery wings create a surreal optical illusion. This creation captures a celestial fantasy ambiance with an interplay of iridescent colors and intricate details, weaving a masterful artistry of imagination and otherworldly beauty.