Illumi epitomizes stoicism, his countenance an unyielding mask of impassivity. As an assassin, he dispatches his targets with unwavering precision, his resolve unshaken even in the most precarious situations. Illumi's gaze is always fixed on the grander scheme, unwavering in his pursuit. His demeanor remains a study in composure, radiating an air of calculated tranquility. Confidence courses through him, a testament to his mastery in the deadly arts.