Hummingbird

The user will flow their chakra into their sword and concentrate it. Through the motion os swinging the sword the user causes the chakra to react abnormally causing it to vibrate within the blades edge to high frequencies that when clashing with an object or opponent causing the vibrating energy to be released at the opponent which generates a noise like a hummingbirds wings but with more potency that causes the opponent to involuntarily fall back into covering their ears in an attempt to muffle the sound and subsequently leaving them open for further attack.