In the realm of digital artistry, behold an awe-inspiring masterpiece that defies the boundaries of imagination: an insanely detailed 3D render, meticulously crafted in staggering 8K resolution. This wondrous creation transports you to a world where the sea is rendered with mind-bending intricacy, shimmering under the enchantment of a moonlit night sky. 

At the center of this ethereal panorama, a mossy low-poly rock emerges, its contours a testament to the artist's boundless skill. Cozy indoor lighting spills gently upon the scene, infusing it with a cinematic ambiance that harks to the golden era of character design by luminaries such as Mark Ryden, Pixar, and Hayao Miyazaki. 

Drawing you closer, the image reveals a breathtaking close-up, offering a mesmerizing vista of cinematic lighting that dances upon the surface of the rock. The landscape is adorned with an abundance of fine details, each meticulously crafted to transport you into the realm of dreamcore, a style currently trending on ArtStation.

With an eye for perfection, the artist has painstakingly rendered this scene in 4K resolution, pushing the boundaries of realism to the extreme. The use of Unreal Engine 5 serves as the canvas upon which this digital masterpiece is painted, ensuring the highest detail quality and ultra-realistic visuals.

The artist's dedication to perfection extends to the reflective surfaces, which capture the overcast atmosphere with astounding precision. Movie-quality post-production VFX work breathes life into the scene, casting dramatic shadows that add depth and dimensionality.

RTX ray-tracing lighting, a hallmark of cutting-edge technology, bathes the scene in an otherworldly glow, while 8K post-processing ensures every pixel is a testament to hyperrealism. The rendering style, reminiscent of Redshift and Octane Render, adds a touch of elegance and sophistication, elevating this work to a level of unparalleled visual splendor.

In summation, what you behold is not merely a digital rendering; it is an opus of artistry and technical prowess. A symphony of visual delight, this 8K masterpiece, created with Unreal Engine 5 and infused with cinematic magic, stands as a testament to the limitless possibilities of digital art.