An hour later, we find out that the gongsun is actually the same guy who asked him to find the "daoist" on his phone. Huh? Well, it turns out the "phone" is actually a "fingerprint lock" , which means that you can unlock it by using the "qi" of the person you're impersonating. The guy explains that the "heavens and the earth" are in harmony and everything lives on its own. He then goes on to explain that "the qi" of everything is the "essence of this world" .