On the last hand of poker against D'Arby, Jotaro refused to see his hand, nor exchange his cards. D'Arby was about to call Jotaro after he bet his remaining "soul chips", but Jotaro interrupts by also betting the souls of Kakyoin and Avdol. Right after hearing this raise of ante, in exchange for information about Dio's stand; D'Arby had a mental breakdown, causing him to admit defeat in his heart and lose the gamble.