Soon after you would have found Nitro and got him to remember who you and he was including everything that has happened,Once you went searching for Turbo you could see a lab with injured scientists and demolished robots scattered around before a clip of what happened to Turbo is shown on a screen for the security cameras and how he was subjected by Anakaris

(Watch The Clip From 0:00-2:56)

After the footage on the security camera's footage stopped you and Nitro see a strange creature made up of magma crashing through the building before a black blur was seen and started become more clear,the figure was revealed to be Turbo except his hair and body except for his shoes and gloves was now pitch black along with pupils in his eyes have completely disappeared and had a dark aura filled with absolute rage

Turbo looks in Nitro's and your directions before he starts clenching his fist in anger before he walks past you and the creature that he had defeated and injured onto the ground before he starts walking while he was leaving a streak of black lightning behind him before more creatures came across only to be obliterated before he started to go off