In the digital realm of artistic expression, Carne Griffiths and Wadim Kashin have masterfully conjured a breathtaking masterpiece. This digital illustration, rendered in a striking comic style, unveils a mesmerizing spectacle beneath the ocean's surface. Imagine a vast, sprawling underwater city, composed of countless transparent glass spheres that cling tenaciously to the precipice of an abyssal chasm. The city's intricate design, executed with ultra-detailed precision, defies the imagination.

As the eye is drawn towards the center of the composition, one cannot help but be captivated by the ethereal play of light. Enormous rays of radiant sunlight pierce the depths, casting an otherworldly glow that bathes the city in an awe-inspiring brilliance. This convergence of light and shadow creates a chiaroscuro effect, reminiscent of the works of the masters Raphael and Caravaggio.

The attention to detail in this artwork is nothing short of astounding, resembling the meticulous styles of Dan Mumford and Marc Simonetti. Every facet of the city, from its sleek, smooth surfaces to its sharp focus on intricate elements, beckons the viewer to explore its depths further.

Volumetric lighting, reminiscent of astrophotography, infuses the scene with a soft, natural cinematic glow, enhancing the sense of depth and realism. The rich, deep colors chosen by Griffiths and Kashin contribute to the artwork's vibrant and compelling atmosphere, akin to the works of Greg Rutkowski, Beeple, Beksinski, and Giger.

Executed with the precision of an award-winning photograph, this piece seems like an oil painting on canvas that has transcended the physical world into the digital domain. The artists have harnessed the power of Octane render technology to bring this scene to life in stunning photorealistic detail, with an astonishing 8K resolution.

The composition is nothing short of perfection, centered with symmetrical grace, akin to the golden ratio. This visual feast has been gaining momentum and trending on ArtStation, where it stands as a testament to the boundless possibilities of digital concept art.

In summary, Carne Griffiths and Wadim Kashin's collaboration has birthed a true masterpiece, a fusion of artistry and technology. Their creation is a testament to the beauty that can be achieved when talented minds draw inspiration from the likes of the old masters and contemporary visionaries alike. This digital illustration transcends the ordinary and invites viewers to embark on a journey to a place where imagination knows no bounds.