The best Zilean tier is 3-star with a 100.00% win rate. This tier is upgraded to 0.11% of the time and has won 2 matches out of 2 games.

The most common Zilean tier is 1-star with a 71.40% upgrade rate. This means players most frequently play Zilean at this star level, achieving a 59.03% win rate.

Zilean at 3-star has a 100.00% win rate and is upgraded 0.11% of the time. Yes, upgrading to 3-star significantly improves win rate by 9.09%.

Zilean at 1-star has a 59.03% win rate and appears in 71.40% of games. Yes, even at 1-star, Zilean performs well and can be a strong early game unit.

The win rate progression for Zilean is: 1-star: 59.03%, 2-star: 90.91%, 3-star: 100.00%. Upgrading Zilean shows clear performance improvements.