Ultra realistic and highly detailed digital illustration of a panoramic view in a shadowy underground cavern, abundant with enormous, vibrant crystal formations inspired by Greg Rutkowski and Kinkade; showcasing an array of colorful crystals and gems amidst rich mineral deposits. The scene is vivid and meticulously detailed, capturing the smooth surfaces of the crystals with a cinematic, high-contrast HDR effect in 4K resolution, trending on ArtStation and rendered with Unreal Engine. The magical atmosphere is enhanced by hyperrealistic details, and a subtle bokeh effect adds depth and focus. Avoid elements like low resolution, text errors, or poor quality attributes such as blurriness, deformities, or unnatural anatomies, ensuring the illustration maintains a captivating and immersive quality.