C337 Invitation Letter

Sun Bing couldn't hear the discussion of the two rogue cultivators behind him, because in that short period of time, they had already crossed dozens of miles of space.

In fact, there was a trace of surprise in Sun Bing's eyes at this moment. After all, this was the first time he had used the Dantian since it had been completely sealed. There was even a trace of unfamiliarity.

However