mouse, demonologist theme, glowing red eyes, small horns, tattered wizard robe, ancient grimoire, mystical symbols, dark fur, long tail, standing on hind legs, broken computer mouse, frustrated expression, cluttered desk, dimly lit room, candles, old books, pentagram, eerie shadows, ambient lighting, close-up shot, detailed texture, high contrast, spooky atmosphere, fantasy setting, digital painting style, 3/4 view.