The cover could feature the protagonist in the center, chained by his limbs and ancient symbols glowing around him. The background fades from a pitch black at the edges to a faint light source near the center.

CyberRealistic_Negative, (deformed iris, deformed pupils, semi-realistic, cgi, 3d, render, sketch, cartoon, drawing, anime, mutated hands and fingers:1.4), (deformed, distorted, disfigured:1.3), poorly drawn, bad anatomy, wrong anatomy, extra limb, missing limb, floating limbs, disconnected limbs, mutation, mutated, ugly, disgusting, amputation