Prompt: an awe-inspiring and perilous underwater biome to enhance the world of Subnautica. Design a vibrant and exotic underwater landscape filled with brilliantly colored coral formations, luminescent flora, and unique, dangerous fauna. Envision towering underwater structures adorned with vivid bioluminescent patterns that emit an alluring yet perilous glow. Populate the biome with exotic and predatory sea creatures, each showcasing a dazzling array of colors as a warning of their potentially hazardous nature. Picture schools of iridescent fish weaving through the coral reefs, and imposing predators with mesmerizing yet dangerous patterns. Consider the interplay of light and shadow in this dynamic underwater environment, creating a visually stunning but treacherous seascape. Use a color palette that combines bold and contrasting hues to evoke both the beauty and the danger that define this new Subnautica biome.enchantment in this subterranean world.