Henry watched as she was about to attempt only for her to stop and ask him to demonstrate it, as she might have a better chance by seeing him. that was easy enough, so he nodded and pointed his index finger at the sky. "Hado number four Byakurai." A blue light them formed near his index finger, it grew a little bigger as he concentrated his spiritual energy and then fired it off as it took the form of lightning and vanished off in the sky. "Just like that, requires a good bit of concentration, and I wouldn't recommend pointing it at anyone unless they are trying to hurt you.