Board Thread:Questions and Answers/@comment-30966312-20180814013025/@comment-32906141-20180923113136

Why do you think he was able to move in the stopped time in the first place? He even said that if he had more time to pratice, he would be able to move for more seconds. This was hinting that fact that Jotaro's Star Platinum and The World are mirrowed Stands, and the battle with Dio was the way of him realising that.