Better, but it still looks very flimsy and not a strong looking at, give it character. Add some unique touches too it, maybe a small shine somewhere like in this
icon. The white part you added to make it look sharper is really small I would increase it to make it look deadly. check this one out for an idea on that.
ONE,
TWO It also would look better if you increased the size of the whole axe itself, it seems small in the 64x64, use some of the unused space up on the top right, like
this for example.