photorealistic epic fantasy scene photography, wide 16:9 composition, a colossal ancient world tree at the center, massive pale grey gnarled trunk carved with ancient runes, cracks on the trunk gushing red lava, huge tangled roots spreading outwards; elegant white elven stone city built at the root of the giant tree, the city is on fire, towering flames and thick black smoke, burning embers and sparks floating everywhere; dense canopy stretching upward, soft golden holy light filtering through leaves; barren woodland ground, dark stormy cloudy sky background, solemn and tragic atmosphere, cinematic grand lighting, depth of field, rich textures, realistic bark, stone, flame and smoke details, 8k ultra-detailed