Dark fantasy book cover in the style of Sarah J. Maas ACOTAR. At the very TOP, small elegant series title in Russian Cyrillic reading "ХРОНИКИ БЕССМЕРТНЫХ ДВОРОВ" in refined thin serif. Just below it, author name in Russian Cyrillic "ЭЛИС НОКС" in elegant serif. Large centered ornate emblem of a heart wrapped in thorny rose vines with dark blooming roses and curling tendrils dripping luminous poison, surrounded by emerald filigree. Dark moody palette: deep black-green background with glowing emerald, toxic green light and deep blood-red roses. Intricate baroque border. At the bottom, luxurious gold-foil serif title in Russian Cyrillic reading "ДВОР ЯДОВИТЫХ СЕРДЕЦ". Atmospheric, haunting, premium fantasy novel cover, symmetrical composition, matte dark background, sharp focus, correct Russian Cyrillic spelling.
