Celestial knight portrait split between void and molten cosmos

Celestial being with features of a stoic male knight, dark skin and eyes glowing with faint starlight, golden glowing circuits across face and neck, symmetrical portrait composition with one side as void of deep space and distant galaxies and the other as maelstrom of molten gold and fiery energy, sharp etching-like details on the figure combined with fluid painterly background, conveying overwhelming god-like power and mystery, dark fantasy art, avant-garde Chimera style, 8K details, dramatic lighting, extreme visual tension