Hi my name is \"King Katarina\" (OCE) and I'm currently a Platinum soloq Katarina player, and plan to be high Diamond soon. I have played Katarina since before Season 1 and was inspired by the best Katarina player in the World - TiensiNoAkuma - unfortunately he has stopped playing regularly so his legend must continue. My playstyle is based heavily around his, and I am creating this guide because Tiensi hasn't got one up on Solomid. In my opinion Katarina is the most exciting Champion and can enable you to climb the elo ladder with her extreme carry potential, and her ability to kill multiple enemies in an instant. This guide is proven and will help you achieve that goal.
Get E second if you want, it's safer. I just get W second most times now because it makes it easier to CS, play safe until you have Shunpo. Max Q > then W > then E > and Ult when you can.