Talk:Ezreal/@comment-89.204.153.88-20130306072657/@comment-5711645-20130309232705

Level 2, at level 1 is has a 6 second cooldown - 1 second if it hits which leaves 5 seconds. So by the time it goes off cooldown your passive would have just deactivated. Level 2 gives you a 0.5 second window to keep the stacks up, level 3, 1.0 seconds, etc.