Plot: Gongshu Chou opens a door on the ground and says someone has to swim in the underground river to the Waterfall and turn on one of the Four Holy Creatures, Xuanwu(the Balck Turtle) to bring in clean water or they will all die. He tells Tianming to rotate on the red handle, but when Tianming makes it to the Machine Creature, he realizes something wrong with Gongshu and rotates the black one