I'm a Police Officer, Why Are All My Skills the Secret of Yin and Yang?

Zhang Hao traveled through time and became a policeman, awakening the god-level police system. As long as you solve a mystery case or arrest a large number of criminals, you can get points. Points can be drawn and exchanged for various magical items. The skills you can get through the lottery are all the Yin and Yang secrets that are only found in novels. The Sixteen-Character Yin-Yang Feng Shui Secret Technique, the Tomb Robbery Book, the No. 1 Wonderful Book in the Sky, The yin and yang eyes can see the souls of the dead within seven days after death. But the secret technique of breaking down a wall can easily trap criminals. The secret eye-covering technique that can make criminals fall into illusions, A peace charm that can block bullets, ..... When Zhang Hao's skills were exposed to his colleagues one by one, everyone was stunned. Leader: "I believe in science, but I believe in Zhang Hao even more." This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.