

The best counters to Sejuani in Master+ coordinated 5v5 games as Jungle are Wukong (60.6% win rate, 135 games), Lillia (59.4% win rate, 141 games) and Sylas (57.1% win rate, 133 games). These picks are the strongest observed answers to Sejuani in the current sample. Each win rate is that counter's result versus Sejuani in coordinated team games, not a Solo Queue lane stat.
The best calculated counters to Sejuani in Master+ coordinated 5v5 are Wukong (60.6% win rate, 135 games), Lillia (59.4% win rate, 141 games) and Sylas (57.1% win rate, 133 games).
Sejuani has a 51.3% win rate across 5,688 Master+ coordinated 5v5 games as Jungle. 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.