If Yogiri was going to interact with society at large, they needed some way to keep his power restrained. They couldn’t risk him using it just because he was a little upset with someone. So they had asked Yogiri to lock away his own power. Luckily, it didn’t seem like something that was especially difficult for him to do. All it meant was that it would take a little more time for him to use his abilities. It was more like the safety on a gun, preventing it from firing accidentally.

-Volume 9 page 201