"If you say so," John said, readying his staff. After another moment of hesitation, he prodded the lit up panel, clenching his hands too hard as he tried to spot the next one to light up.
"Uh," he said, wheeling around on a heel, the staff making a little creak, "What about hitting myself in the face?"

He spotted a bright light by his elbow with an accompanying tone and swung hard, the staff rebounding off with an almost cartoonish twang.