Mejai's Soulstealer is a mystical tome with a dark, ornate cover featuring intricate silver engravings that depict arcane symbols and swirling energies. The book's spine is reinforced with dark metal bands, and its pages glow faintly with a sinister purple hue, suggesting the containment of powerful magic. The tome emits a subtle aura, with particles of dark energy occasionally escaping from its edges, emphasizing its connection to soul-stealing powers.