Create a hyper-realistic, 3D rendering of a Dark King of the Abyss character on an Earthshaker background. The character should be a humanoid, gold-robed cultist with a bold, natural color scheme and a dramatic pose. Incorporate elements of Mexican culture and 1970s cinema style. The character should have long, dark hair and cyberpunk-style jewelry, with a mix of organic and mechanical elements. The background should be a deep, rich red and gold, with intricate details and ambient lighting. Reference the styles of Michael Whelan, Richter, Cyril Rolando, Artgerm, and Greg Rutkowski. The final image should be a high-quality, 4K resolution with a cinematic feel, rendered in Octane or Unreal Engine. Ensure the composition follows the golden ratio and has a clear, sharp focus.