Stats

Armor, magic resist, mana and attack speed are the same at every star level.

Zilean

1 star: Place a protective Time Rune on 2 allies with the lowest Health (excluding self). If they die, they resurrect after 3 seconds with 400 Health and shed all negative effects. After resurrecting, they gain ? Attack Speed for the rest of combat. ?
2 star: Place a protective Time Rune on 3 allies with the lowest Health (excluding self). If they die, they resurrect after 2 seconds with 600 Health and shed all negative effects. After resurrecting, they gain ? Attack Speed for the rest of combat. ?
3 star: Place a protective Time Rune on 10 allies with the lowest Health (excluding self). If they die, they resurrect after 0.5 seconds with 3000 Health and shed all negative effects. After resurrecting, they gain ? Attack Speed for the rest of combat. ?

3 patches changed Zilean, read out of Riot’s game files.

Patch 11.8
- Revive delay3.5 / 3 / 13 / 2 / 0.51★ / 2★ / 3★
Patch 10.21Oct 2020
- Num targets2 / 2 / 102 / 3 / 101★ / 2★ / 3★
- Health amount350 / 700 / 3000350 / 500 / 30001★ / 2★ / 3★
Patch 10.20Oct 2020
- Health amount500 / 1000 / 3000350 / 700 / 30001★ / 2★ / 3★
- Rewind Fate rewritten
  Before
  Zilean places a protective Time Rune on the 2 allies with the lowest Health. When they would die, they instead resurrect after 3 seconds, returning to combat with 1000 Health and shedding all negative effects. After resurrecting, they have ? bonus Attack Speed for the rest of combat.
  After
  Zilean places a protective Time Rune on the 2 allies with the lowest Health other than himself. When they would die, they instead resurrect after 3 seconds, returning to combat with 700 Health and shedding all negative effects. After resurrecting, they have ? bonus Attack Speed for the rest of combat.