Full Ekko Combo - W + E & Q + Auto Attack + Hextech Rocketbelt + Auto Attack
Fast Ekko combo - League of Legends
Full Ekko combo: Cast your W on the target, then press E and Q at the same time. This makes your Q come out with almost no animation. After that, use the bonus range and dash from your E to auto attack the target. Then use Hextech Rocketbelt, which resets your auto attack timer and lets you auto attack almost instantly, activating your passive and giving you movement speed so you can get away.