A high-quality 3D portrait rendering of a Ghoul standing vigil at the gates of Hell. The ghoul showcases a smoldering hellish skull with glowing, ember-like eyes. Its tall, slender frame is a highly detailed skeleton clad in tattered rags. In the background, fierce flames and infernal fire dance vividly, casting ominous shadows. The scene evokes a dark fantasy horror narrative, with dramatic red and cinematic lighting that enhances the ghoul's menacing presence. The atmosphere is soft-focused, accentuating the mystical depth and detail. The image captures the eerie beauty of this underworld sentry, set in a compelling fantasy tableau.