Duration: 48.7s

It was before wizards went underground, when we were still being hunted by Muggles. Young wizards and witches sometimes tried to suppress their magic to avoid persecution. So, instead of learning to harness or to control their powers, they developed what was called an Obscurus. It's an unstable, uncontrollable dark force that busts out and attacks. And then vanishes. Obscurials can't survive long, can they? There's no documented case of an Obscurial surviving past the age of 10. The one I met in Africa was 8 when she...