1970’s dark fantasy book cover paper art dungeons and dragons style drawing neoclassical scene of a dark medieval castle hallway, dimly illuminated by eerie green candlelight. The stone walls are damp and ancient, covered in faint carvings and creeping moss. In the center, a handsome prince stands, his jeweled crown slightly askew. His toned upper body glistens with sweat, his breath unsteady. He wears only deep crimson velvet pants, the fabric rich yet wrinkled, hanging loosely around his waist. His expression is dazed and disoriented, his piercing eyes reflecting the unnatural glow. Shadows twist unnaturally around him, the air thick with an ominous presence, as if the castle itself is alive, watching.. Tenebrim