The biggest twist in Jojo's bizzare adventture that not even the biggest fans know
Many know, that Star Platinum and The world are literally the same stand. That allowed Jotaro to stop time in the final battle against Dio.
But... Noone thought of the implications. Because this means, that Dio was only one piece of information away from becoming the most powerful stand user in the world.
Yes, Dio also can use Star finger.