User blog comment:SeraphLucifer/Discussion/@comment-27014555-20151201133914/@comment-3045936-20151201193502

I am not saying it's canon, exactly. But it's believed that the rings are just what allows them to channel their power. But as to what happens. I think Death cannot use his "Death Power" meaning his force that what he is without the ring. Like its part of him, yet separate.