A towering fantasy troll stands amidst a misty forest, its skin a textured masterpiece of rocky patterns and moss, rendered in hyper-realistic detail. Sunbeams break through the dense canopy above, casting dramatic HDR lighting across its massive silhouette. The scene captures the troll's face in exquisite photorealism, each wrinkle and pore visible, eyes glistening with ancient wisdom. In the background, the forest is lush and detailed, with vividly rendered foliage and twisting roots, all brought to life through octane render and Unreal Engine's visual prowess. The setting conveys an ethereal atmosphere, blending the magical with the remarkably lifelike.