

The best counters to Zilean in Master+ coordinated 5v5 games as Support are Pantheon (67.0% win rate, 32 games), Vel'Koz (60.5% win rate, 41 games) and Milio (57.4% win rate, 85 games). These picks are the strongest observed answers to Zilean in the current sample. Each win rate is that counter's result versus Zilean in coordinated team games, not a Solo Queue lane stat.
The best calculated counters to Zilean in Master+ coordinated 5v5 are Pantheon (67.0% win rate, 32 games), Vel'Koz (60.5% win rate, 41 games) and Milio (57.4% win rate, 85 games).
Zilean has a 52.0% win rate across 3,350 Master+ coordinated 5v5 games as Support. That sample is Flex 5 and Ranked 5v5 team play, not Solo Queue.
draft-meta-latest · Public draft-meta aggregate from benchmark JSONL matches with source-tier weighting and patch recency weights.
Draft-meta and champion-coordinated rows use different populations. Do not merge sample counts or treat pairwise synergies as a measured 5-man shell.