A breathtaking dark fantasy digital illustration, trending on ArtstationHQ, depicting a formidable knight in a dynamic action pose. The knight stands resolute, imbued with vivid emotions, against a tempestuous, stormy sky. His intricately designed armor, a striking blend of dominant gold and black with splashes of vibrant red and deep green accents, gleams with a Grammer Effect Style finish. The helmet, with its articulated visor and an opulent plume, enhances his regal bearing. A powerful, gleaming sword is held firmly in his right hand, reflecting the stormy light, while a ready shield protects his left. His stance is one of profound readiness, poised for a joyous impact and a powerful message. The background is a chaotic, dramatic stormy sky, abundant with swirling clouds and explosive lightning bolts, heralding an intense storm. This high-res, 4K image showcases exceptional quality with more detail, sharp lines, and masterful brush strokes, like a beautiful matte painting. The stunning, harmonious, multi-colored palette and contemporary aesthetics are meticulously handcrafted with precision. The impeccable composition, with a creative angle and attractive background, ensures intentional focus and a well-timed moment, embracing the golden ratio. Rendered with Houdini Style, this piece features super detailed face, eyes, and clothes, and elements of Splash Ink Illustration for dramatic effect. No discernible text.