photorealistic detailed digital illustration of a single large castle, 8k, Hydrothermal vents teeming with exotic lifeforms in the background, powerful, cinematic, beautifully lit, by artgerm, by karol bak, 3d, trending on artstation, octane render, 8k <lora:EnvyHexXL01:0.7>  <lora:SDXLFaeTastic2400:0.8>