"Actually, Undead Warriors aren't without consciousness. They are self-aware, but they have control chips implanted in their brains, which is how they're manipulated." As Yu Mingche spoke, the color drained from Qinghe's and Di Youlin's faces.
If the Undead Warriors had lost consciousness and were essentially brain-dead, then they wouldn't feel any pain from being controlled. But if their own thoughts and consciousness remained, to feel themselves being forced to do so many things against their will... 'Just how much pain they must be in.'
