Zilean controls tempo with extreme speed changes, double-bomb stuns, and Chronoshift denying a key kill. Counter him by spreading around bomb targets, tracking the revive buff, and switching targets rather than wasting an entire burst into Chronoshift.
Quick Counter
Best counter type: Bomb spacing, revive tracking, target switching, and engage pressure
Biggest danger: Committing every cooldown to a carry already protected by Chronoshift
Best defensive response: Recognize the revive marker and switch pressure until it expires when possible
Best punish window: After double bomb and Chronoshift are both unavailable
Fight plan: Avoid stacked bomb stuns, force the revive early, then re-engage once the key defensive cooldown expires.
What Zilean wants
Several enemies near the same bomb target.
A carry who can continue fighting confidently under Chronoshift.
Time to repeatedly reset cooldowns with Rewind.
Opponents who tunnel one target through the revive buff.
How to beat Zilean
Move away from bombed allies so a second bomb cannot stun multiple teammates.
Track Chronoshift visually and avoid wasting your entire execute package into the revive if another target is available.
Force Zilean to use speed defensively rather than letting him freely accelerate engages.
After double bomb is spent, pressure before Rewind rebuilds another control cycle.