Stardust Crusaders had arrived in Singapore, and you were just one of the Stand users that Dio had taken under his control. Kakyoin spoke to Jotaro because he was quite suspicious of you for this. They were approaching you to fight you.

The name of the stand was "Breakdown Incentive". Users can cause failure in others/events such as physical, financial, mental, spiritual, etc., as long as there is a possibility of failure and a possibility of failure. Its range is 12 centimeters.