At first, Sun Wukong thought that Hei Kui felt he couldn't defeat the Underworld God Army, so he asked Wu Ming for help, but who knew that with just two loud calls, Hei Kui turned all one hundred and fifty soldiers of the Underworld God Army into zombies. Yes, zombies, those that had lost their souls and essence, moving like the walking dead, their rigid bodies and the flesh even tougher than before, all proving that these soldiers had indeed become zombies.