You can focus power into the blade. Hold the B button! Then release it with the secret technique handed down by our people. :D This was not traced in any way and toke up my day to draw this so please be kind.
And yes this is egoraptor's =-= I was watching it and I wanted to see if i could draw it on this and i am amazed at the detail. So in outher words I take no credit for it I just drew it here.