In the stark simplicity of a ((coal sketch)), capture the haunting visage of a voodoo surgeon, their face shrouded in shadow and mystery. The surgeon's features are etched with sharp, angular lines, conveying a sense of enigmatic power and ancient wisdom. Deep-set eyes, glinting with an otherworldly light, pierce through the darkness, hinting at secrets long forgotten. A twisted scar snakes across their weathered brow, a testament to the dark rituals they have performed. The surgeon's lips are set in a grim, determined line, exuding an air of solemn concentration. Wisps of smoke curl around their face, adding an ethereal quality to the portrait and hinting at the mystical energies that surround them. Despite the rough, unfinished nature of the sketch, the voodoo surgeon's presence is palpable, drawing the viewer into their world of magic and mystery.