Risotto figures out that Doppio must be a Stand user that the boss trusts in deeply because he’s able to hear the noise from a certain Stand. Risotto then uses his Stand Metallic against him. Metallic is able to control magnetic force and attacks Doppio. Doppio uses the part of the boss’s power he received from him. While they’re fighting, Risotto realizes that Doppio’s personality and actions seem to be changing and he realizes exactly who Doppio is.
This is the same thing that happened in 
the footage that Doppio saw, but...
هذا نفس الشيء الذي حدثَ في المقطع
...والذي رآه دوبّيو، لكن
Genau das geschah in dem Bild,
das Doppio gesehen hatte, aber …
Sucedió lo mismo que vio Doppio, pero…
Sucedió lo mismo que vio Doppio, pero…
Mes prévisions se sont alignées
sur la vision de Doppio.
È ciò che Doppio ha visto nel futuro, però...
Foi exatamente o que Doppio
previu em sua visão...
Можно сказать, 
что именно это и видел Доппио.