C614 Is a great buddha
The reason second brother wanted to send people to help Master Wu was because he was worried about the safety of Master Wu. After all, this game of chess was at the critical juncture, so if Master Wu made the slightest mistake, then they would all lose.
Of course, this idea of getting Luo Chengxi and Wang Xiazi to help out from First Prison was something that he had thought of all of a sudden