A formidable Byzantine empress from a fictional 6th century Eastern Roman Empire stands in an ornate imperial library during a dramatic earthquake tremor, wearing layered purple imperial robes with gold embroidery and a towering gem-encrusted stemma crown, her dark kohl-rimmed eyes serene as she grips a sacred gospel book, fierce scholarly expression, dramatic warm candlelight illumination contrasting cool blue moonlight from cracked domed windows, rich details of cascading marble pillars and ancient.scrolls, oil painting texture with digital precision, powerful dignified three-quarter composition against epic cracked dome ceiling with swirling dust and divine light rays, 4k hyperdetailed digital art