i was playing and a guy called "Killedlikeaboss" If i was next to him he was looking a totally different direction and he just turned killed me turned back around i hit him 10 times he had kit "fight" and he didn't die i had a diamondsword sharpness 2 and fireaspect 2 and he didn't die i could never kill him ill get proof on a video youtube Soon sos slow internet
I too agree that he/she uses some kind of hacked client. If you get some proof that would be amazing.