A mosaic black cat stares beneath a blood moon above a haunted castle

A breathtaking, ultra-detailed mosaic art masterpiece depicting a spooky gothic haunted castle under a radiant blood moon. In the center, a majestic black cat made of iridescent violet and obsidian glass tesserae stares forward with glowing emerald green gemstone eyes. Surrounding the cat are intricate stained glass mosaic swirls, flying bats, and glowing jack-o'-lanterns. Crafted with colorful glazed ceramic tiles, mother-of-pearl fragments, and gilded gold leaf tile accents. The background features deep cobalt blue night sky with rich textured dark grout lines. Masterclass light refraction through glass tiles, powerful Visual Impact and Technical Skill, 8k resolution, masterpiece.