glowing portal 3d model

A massive ancient stone portal standing in an open field at sunset, shaped like a tall monolithic arch made of cracked dark rock. The portal’s inner frame glows with intense fiery orange and red light, as if filled with molten energy or lava. Around its base, there are glowing embers, small rocks, and scorched ground. The environment is a vast landscape with soft hills and warm golden lighting. Highly detailed textures, realistic lighting, fantasy atmosphere, cinematic look, epic scale, realistic PBR materials.