A sea siren perched above crashing waves on jagged obsidian rocks

A powerful sea siren with blue scaled skin and long silver hair, perched on jagged obsidian rocks as waves crash around her, wearing silken woven from shadows and shimmering silver tail with scales adorned with black pearls, dark fantasy avant-garde illustration style, mix of photorealism and surreal gothic elements, lighting from bioluminescent particles in the water, color palette of black, deep indigo, and electric cyan, dynamic high-angle shot, heavy textures