C374 Seclusion for 3 days (1)

only knew how difficult it was when he operated it on his own. At the beginning, it was difficult, but after he got used to it, he collapsed onto the ground right after entering a state.

He did not want to admit defeat, especially after experiencing the benefits of such training, Liu Rufeng was even more unwilling to give up.

This time, he lasted even longer than last time