User blog comment:CNBA3/Armament Haki Confirmation./@comment-121.97.192.29-20160923064330/@comment-29997233-20160923103847

they are all valnurable to Haki ...Mihawk didn't use his Haki during his attack to Buggy...Just like Zoro when he fought the logia-user Monet ...In both incidents the assaulters probably wanted to scare their victims insted of hurting them...