A massive, obsidian-brown dragon, its leathery wings spanning a breathtaking arc, erupts a scorching torrent of molten orange-yellow flame at a mounted knight. The dragon's powerful, sculpted muscles ripple beneath its intricate, overlapping scales, showcasing a multitude of deep, bronze-hued textures. Each scale appears almost impossibly detailed, reflecting the fiery breath in flashes of molten gold. The knight, clad in gleaming, polished steel armor, a brilliant, almost mirror-like silver against the blaze, sits astride a magnificent warhorse, its powerful muscles straining, mane flowing in the wind. He brandishes a golden spear, its tip a focused point of light against the encroaching inferno, angled precisely to deflect the onslaught. High above, a dramatic mountain range, painted with hues of muted burnt orange, dusky purple, and fading golds of a fiery sunset, creates a dramatic vista. The air crackles with the heat, and thick swirls of smoke, an ochre and gray medley, billow out from the dragon’s breath, engulfing the rocky outcrops. Dust, kicked up by the fiery blast, dances in the air, creating an effect of dynamic motion and chaos. Dust motes catch the last rays of the dying sun, painting the scene with a warmth, almost palpable, yet offset by the chilling sharpness of the fiery breath. The terrain is a tapestry of rocky, light-tan outcrops, dotted with sparse, scrubby vegetation, rendered to create the illusion of a deep sense of depth. The style is impressionistic, showcasing visible brushstrokes, giving depth and atmosphere to the scene; yet with a hyperrealistic rendering of light and shadow, every detail meticulously crafted. The knight's armor is rendered in exquisite, granular detail; each rivet, crease, and section of polished metal reflecting the surroundings. The dragon's scales, in their stunning variety of textures and shades, are similarly detailed, highlighting the deep valleys and sculpted peaks of each scaly plate. The dragon’s breath, a torrent of flames and smoke, is rendered with impressive realism, capturing the turbulence and energy of the scorching jets colliding with the environment. The impact is palpable, the air thick with heat and the smell of burning earth.