When he has enough Experience to finish an ally's level, he can right-click them to impart it. Zilean receives as much Experience as he gives. Cannot be used in combat.
Q - Time Bomb
Tosses a bomb to target area that sticks to units that come near it (prioritizes Champions). It detonates after 3 seconds, dealing area of effect damage. If a Time Bomb is detonated early by another Time Bomb, it also stuns enemies.
W - Rewind
Zilean can prepare himself for future confrontations, reducing the cooldowns of his other basic abilities.
E - Time Warp
Zilean bends time around any unit, decreasing an enemy's Movement Speed or increasing an ally's Movement Speed for a short time.
R - Chronoshift
Zilean places a protective time rune on an allied champion, teleporting the champion back in time if they take lethal damage.