WITH GREAT AXE, USE NORMAL SWING FIRST THEN SLIGHTLY HOLD LEFT CLICK FOR LONG SWING AND THEN REPEAT WITH NORMAL SWING THEN BLOCK AND REPEAT
I BELIEVE YOU COULD JUST LIGHT SWING THEN HARD SWING JUST A TINY BIT AND REPEAT BUT EITHER ONE SHOULD WORK
IF USED AHK IT WILL DO IT REALLY FAST I JUST DON'T KNOW HOW TO PROGRAM IT
TUTORIAL YOUTUBE VIDEOS BELOW
AUTO ATACK EXPLOIT - HAMMER, GREAT AXE - YouTube
new world - great axe glitch vs great axe glitch - YouTube