A colossal, menacing fortress looms on a jagged cliff, shaped like an enormous skull carved from dark, ancient stone. Its hollow, empty eye sockets glow with an ominous red light, casting an eerie glow over the twisted, desolate landscape below. Towering spires rise from the skull's cranium, topped with dark flags fluttering in a harsh, stormy wind. Massive iron gates form the 'teeth' of the skull, slightly open to reveal a fiery glow from deep within. The surrounding terrain is barren, with jagged rocks and chasms filled with molten lava, and skeletal trees twisted into unnatural shapes. Thunder rumbles in the dark, cloud-filled sky, and lightning occasionally illuminates the fortress, highlighting its grim and foreboding presence. The entire scene pulses with an aura of dark magic and dread, giving the fortress the appearance of a dark overlord’s impenetrable lair