chapter 413 Battle Royale

Having practiced martial arts to this level, Baldwin has already developed a special sense of danger.
The saying "Don't see, don't ask; avoid danger when you sense it" is exactly like this.
His waist and abdomen twisted like a ball, extremely flexible.
The "Boxing Classic" says: "Dantian is like a ball and waist is like an axis. If you can turn it and hit someone, you don't have to worry."
Baldwin's waist was as flexible as that of a professional dancer, extremely pliable....