A dark, mystic depiction of a demon with features of a fearsome animal

A dark, mystic depiction of a demon with features of a fearsome animal. This entity has a nightmarish, twisted form, with elongated limbs, clawed hands, and a face that combines demonic and bestial elements. The background is a cursed forest, shrouded in thick fog and illuminated by dim, flickering lights. The atmosphere is filled with a sense of cosmic horror and apocalyptic dread, amplifying the creature's terrifying presence.