C1335 I'il be Watching You

He knew that once he experienced pain, he would become stronger!

He felt that it was worth it!

He needed to become stronger, no matter how painful the process was, but he was willing!

"Again!"

A strong aura slowly rose from his body. Xuanyuan Xue felt that the current Niu Thirteen had become a little different!

It wasn't that his cultivation had become strong, but rather