回声定位的计算公式简介：As long as he is transformed into a mercenary, Qin Fen can still contact him even if he is separated by a plane, so it is really easy to remotely control the Gunners Guild in the Buddhist and Taoist world.
As long as he is transformed into a mercenary, Qin Fen can still contact him even if he is separated by a plane, so it is really easy to remotely control the Gunners Guild in the Buddhist and Taoist world.
