Without a doubt, operating the Phantom Knight 0001 is extremely challenging. But once one manages to do it, it makes controlling other models a piece of cake. This preference of the Phantom Knight 0001 is partly due to this reason and partly due to Feng Yi's personal liking.
Leaving the room, his next destination was Dr. Rhine's technology experimental museum. Feng Yi didn't arouse any suspicion when he pulled out his counterfeit identity proof. Despite supposedly being a volunteer, he frequently loitered near the laboratory and the finished product area. After entering and exiting countless times in the afternoon, the high-tech product area of Dr. Rhine seemed like Feng Yi's backyard.
He now had a pretty clear knowledge of the terrain and took advantage of his agile figure to move in between the halls during 360-degree surveillance. His sneaky behavior went unnoticed by the staff. One must say, it takes guts for him to do this; being discovered could result in a court martial.