A pencil artist illustration depicting a powerful wizard with a long flowing beard and a tattered cloak, casting a spell with his wand. His eyes are intense and focused, as magical sparks and swirling energy emanate from the wand's tip, illuminating the intricate patterns etched into it. The scene is set against a stormy backdrop, with clouds swirling and lightning crackling in the distance, enhancing the dramatic tension. The raw and detailed style captures the dynamic movement of the wizard's robes and the crackling energy, highlighting the sheer force of magic being unleashed.