The assistance of an Evil Corpse made the situation complicated for Yi Xiaofei; the only fatal point of the body was the head, which posed quite a headache for him. Even though the strength of the Evil Corpse was only at the Great Grandmaster Late Stage, not quite at the peak, its body was impervious to any attack. This provided it with a huge advantage, and for a while, despite Yi Xiaofei multitasking with the Force Dual Blades in each hand, executing attacks in different trajectories, he didn't have a great advantage.
"Kid! Hand over your life, I want your body!"
A fatal injury could be borne by the Evil Corpse, essentially making it a meat shield. Utilizing an Evil Corpse at the Great Grandmaster Late Stage was quite the extravagant move, as such a body was difficult to cultivate with Gu Art. Moreover, it required a certain number of years; at the very least, it would take a year, and sometimes even longer, with a need of three years for it to be able to move and obey commands.