What is your পছন্দ Luffy attack ever?

(You can include the Gears in combination with the attacks, if আপনি so wish. Basically, just choose the best attack he has ever done, in your opinion, and then add it... However, go into detail about why আপনি like it. Also, transformations, with certain attacks can count, so make sure আপনি give it a bit of thought)