After losing to D'Arby, Joseph and Polnareff have their souls taken. In order to have their souls returned, Jotaro shows off Star Platinum's powers before going into a match with D'Arby, warning him that cheating won't work.
Before we get started,
there's something I want to try.
قبل أن نبدأ، ثمة شيء أودُّ تجربته
Bevor wir anfangen,
möchte ich gern etwas ausprobieren.
Me gustaría probar algo 
antes de que comencemos.
Me gustaría probar algo 
antes de que comencemos.
J’aimerais t’expliquer une chose
avant de commencer la partie.
Prima di iniziare,
c'è una cosa che voglio provare.
Antes de começarmos, quero tentar algo.