W takes two seconds to damage, try and predict when they will auto attack, move to, and when they use abilities, vision is great so if you can get vision on the enemy jungle then your gonna be able to know where hes going, W recalling champs it pretty much is a free passive and may mean they die. save dash for your ult to chase low hp eneimies. always recast your ult if you need to secure a kill or are about to die for a burst of damage and hp.