Friendly fantasy troll, slender build, humanoid features, male, long delicate ears, intricately detailed face, grinning warmly, gazing directly at the viewer, seated beside a crackling campfire, offering a mushroom toward the camera, portrait orientation, fantasy setting, surrounded by a dark fir forest, dark fantasy atmosphere, highly detailed, incorporating 3D fractals, light particles, shimmering illumination, surreal ambiance, flawlessly composed, highly detailed, octane render popular on artstation, 8k artistic photography quality, photorealistic concept art style, soft natural volumetric cinematic lighting.