Increases the experience Zilean and all allied champions gain by 8%. This is not in effect while Zilean is dead.
Time Bomb
Range: 700
Cooldown: 10
Cost: 70 / 85 / 100 / 115 / 130 mana
Active: Zilean places a time-delayed bomb on a target unit, which detonates after 4 seconds dealing magic damage to all surrounding enemies. The bomb will detonate immediately if the holder dies or if another bomb is placed on them. The bomb can be placed on both allied and enemy units, but allied holders do not take damage.
Explosion Radius: 330 (estimated)
Damage: 90 / 145 / 200 / 260 / 320 (+ 90% AP)
Rewind
Cooldown: 18 / 15 / 12 / 9 / 6
Cost: 50 mana
Active: Upon activation, all of Zilean's other abilities' cooldowns are reduced by 10 seconds. Rewind does not affect itself or summoner spells.
Time Warp
Range: 700
Cooldown: 20
Cost: 80 mana
Active: Zilean slows an enemy champion's movement speed or increases an allied champion's movement speed by 55% for a few seconds.
Duration: 2.5 / 3.25 / 4 / 4.75 / 5.5
Chrono Shift
Range: 780 (estimated)
Cooldown: 180
Cost: 125 / 150 / 175 mana
Active: Zilean marks a target ally champion (or himself) with a protective time rune for 7 seconds. If the target takes lethal damage during this time the rune is activated, turning the target untargetable and invulnerable for 2 seconds, then reviving it with a set amount of health.
1350 or 
585
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