The animation of whirlwind on warrior only works properly when you sit still and then the animation follows through, however, if you are moving, the character doesn’t complete the ‘attack’ part and the ‘wind’ effects are the only thing in affect, this is not correct, while you are moving or not, aside from clashing with other animations, (like auto attack) the whirlwind animation should play through anyways, but does not.
Here’s an example of it working as it is on live:
Here’s how it should work: