With few distractions to occupy his mind he could fully concentrate on maintaining and controlling his otherwise unfathomable network of agents and masterminding his plans, in Stygia or otherwise, to the smallest details. Unable to move his body in his frozen state, Levistus's brooding mind was not only fully aware of his surroundings, but incredibly perceptive as a result of being detained for so long.
When appearing as an aspect, the air around him was chilling and his clothes were always partially frozen and dripping with water. In the days of his freedom, he wore loose, silken clothing and carried a shining rapier, now donning fanciful garments and other finery when meeting mortals in projected form. On close inspection, Levistus appeared to be a 6 ft (1.8 m) tall humanoid male with dark hair, a neat goatee and an extremely pale complexion, but would be able pass for a human if not for his traditionally fiendish traits his pointed teeth and coal-black eyes that practically radiated darkness. The ice was also transparently blue enough that onlookers could perceive his frustrated posture from any angle. Levistus's true appearance was widely unknown, as from the outside of his glacial prison he could only be seen as a small black blot a quarter-mile within the mountain of dark ice.