Board Thread:Questions and Answers/@comment-34305089-20180112010235

I've always been confused as to the purpose of the Ultrafragor. The Fragor causes an explosion but the Ultrafragor manifests as a bunch of rings. So was it's purpose to intimidate Ichigo, make Aizen look cool, did it just not work as intended, was it done to trap Ichigo (but fail), did Aizen just not get to actually using it, or is it something else? 