The person hiding in the mirror was Illuso from the Hitman Team. Fugo ends up being dragged into the mirror by Illuso's Stand, Mirrorman. Fugo then summons his own Stand, Purple Smoke. Despite Giorno wanting to find Fugo, Abbacchio decides to go look for the key, since that was their mission. However, once Abbacchio finds the key, he also gets dragged into the mirror world...
separating him from his Stand.
ليعزله عن الستاند الخاص به
So wurde er auch von
seinem Stand getrennt.
lo que lo separó de su Stand.
lo que lo separó de su Stand.
et il a été séparé de son Stand.
rimanendo separato dal suo Stand.
e por isso ficou separado do Stand.
разделив при этом со стендом.