C290 One Sword to Determine Life and Death
Chu Tianchen did not kill Yu Fei on the spot, nor did he cripple him. That was because Yu Fei did not do anything to Nangong Ziyu, if Yu Fei had attacked him then, he would have immediately killed him and kicked him away dozens of metres away. However, Ling Yu would not have let him leave so easily.
Of course, it was not to seek justice for Yu Fei, but because he had hatred for him