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.
isn't going to carry oxygen 
throughout my body...
...لن ينقلَ الأكسجين عبر جسدي
das den Sauerstoff durch
meinen Körper trägt …
y esta ya no transporta el oxígeno…
y esta ya no transporta el oxígeno…
e quindi della capacità
di trasportare l'ossigeno...
e ele não consegue mais transportar oxigênio...
и она больше не может
 переносить кислород,