mystical woman resembling a mermaid stands in a cave, surrounded by darkness, as a whales tail gracefully emerges nearby

woman cave mermaid diver whale tail mysterious enchanting mystical subterranean imaginative artistic underwater oceanic fascination exploration fantasy mythical marine life abyssal hidden wonder surreal magical beautiful gentle awe inspiring discovery adventure surrealistic mammal ancient legendary mythological sea creature dark deep blue ethereal realism world otherworldly dreamlike aquatic diving merfolk whimsical ai generated