Tang three wry smile way: "with your tendency to violence, if again learned the secret weapon, also don't know how many people to suffer it.And the cultivation of secret tools is not a matter of a day.The cuff arrow I give you is a kind of secret weapon, you use it well first." Want to learn tang door secret weapon is not easy, first of all, there will be xuantian work as the basis, and the soul force of the dance has not weak, to practice xuantian work is obviously impossible, Tang thre...