When right next to the enemy, AA and instantly E backwards into Q, AA then W and recast once it's max damage and AA twice.
A quick way to start a fight is to Flash followed by an instant W and recast, then E backwards and Q AA instantly.
If in close quarters, W and recast once it's maximum damage then instantly Q AA. Use E backwards right after the AA.
When close to an enemy, begin with Q then AA and instantly E backwards. Quickly cast W and recast right before they hit the ground, then AA.
To quickly engage on an enemy, Flash over or next to wall, use E but make sure your back is up against the wall. Upon landing use W then recast right before they hit the ground and instantly Q AA.
To surprise kill your enemy Q then mid animation Flash and AA.
While at a short range, E backwards to hit your target then instantly Q AA. Cast W and wait to recast until after it's fully charged then AA.
For quick burst damage, E your target then instantly Q as you arrive. Quickly cast and recast W, then AA.
When ganking or helping an ally, R to a teammate then upon landing cast W. Recast W whenever you like and instantly Q E AA as quickly as you can on your main target.
To engage E your target then cast W as soon as you land. Recast right before they hit the ground and instantly Q AA.