A stunning 3D portrait rendering of a ghoul standing sentinel at the fiery gates of Hell. The ghoul's skull radiates a menacing glow, with eyes that burn a devilish red. Its tall, slender figure reveals a detailed skeleton, draped in tattered, shadowy rags. The background is alive with intense, flickering flames and swirling embers, encapsulating the essence of a dark fantasy horror scene. The setting is bathed in dramatic, cinematic red lighting, with artistic depth that creates a soft-focus effect. The atmosphere is both eerie and captivating, balancing darkness and infernal beauty.