A close-up view of a knight gripping a long, obsidian-hued sword, with an intricate pattern etched along its length. The reflections shimmer across the blade's edge and surface, capturing the high-polish luster of the finely crafted metal. Subtle curves highlight the blade's elegant form, rendered in hyper-realistic detail. The scene employs advanced rendering techniques with post-processed 4K resolution, utilizing the power of the latest Unreal Engine and RTX shaders, to bring out hyper-detailed textures with stunning reflections. Enhanced by HDRI lighting, the composition achieves ultra-realistic quality in 32K UHD resolution, teeming with minute details. The knight's armor subtly reflects the environment, while a soft, ambient glow accentuates the scene, adding a mystic aura to the overarching imagery.