Ultra realistic illustration and highly detailed digital render of a panoramic view in a dark underground cavern, rich in enormous and vibrant crystal deposits. Inspired by the styles of Greg Rutkowski and Kinkade, the scene features colorful crystals, meticulously detailed and vivid, with smooth surfaces and intricate patterns. Gems and geodes abound, nestled among mineral deposits, creating a cinematic and high contrast atmosphere. The HDR lighting enhances the magical and hyperrealistic quality, similar to visuals produced in Unreal Engine, with a touch of artistic bokeh. The overall composition captures the enchanting beauty of the cavern while maintaining a sense of mystery and wonder.