Best Sion Mid Synergies

The best partner with Sion Mid is Yone Top. The pair wins 56.5% across 1,310 games, 0.5 points more than the two champions' own win rates predict. Teemo Top (+0.3 over 1,225 games) and Ashe ADC (+0.3 over 1,328 games) also over-perform. Teemo Top has the highest raw win rate (56.9%) among well-sampled pairs, but that is about what its own strength predicts (52.7% expected). Based on Low Elo Ranked Solo/Duo games, patches 26.20-26.22. These are observed associations, not guaranteed outcomes. The weakest listed synergies for Sion Mid are Jhin ADC, Tristana ADC, Miss Fortune ADC, Caitlyn ADC, Thresh Support, Lee Sin Jungle, Garen Top, Nautilus Support, Aphelios ADC, and Blitzcrank Support. The detailed info below lists each partner with observed win rate, expected win rate delta, sample size, rank scope, and patch window.

Updated 2026-11-15. Data is current for LoL patch 26.22 (all regions, low elo and high elo).

Top 10 Low Elo Sion Mid all-role strongest synergies

  1. Yone Top - 56.5% win rate with Sion Mid (+0.5 points vs expected), 1,310 games.
  2. Teemo Top - 56.9% win rate with Sion Mid (+0.3 points vs expected), 1,225 games.
  3. Ashe ADC - 53.2% win rate with Sion Mid (+0.3 points vs expected), 1,328 games.
  4. Lux Support - 53.7% win rate with Sion Mid (+0.3 points vs expected), 1,838 games.
  5. Ezreal ADC - 48.4% win rate with Sion Mid (+0.2 points vs expected), 1,911 games.
  6. Yunara ADC - 49.5% win rate with Sion Mid (+0.1 points vs expected), 1,628 games.
  7. Seraphine Support - 52.5% win rate with Sion Mid (+0.1 points vs expected), 1,715 games.
  8. Morgana Support - 53.2% win rate with Sion Mid (+0.1 points vs expected), 1,046 games.
  9. Master Yi Jungle - 54.0% win rate with Sion Mid (+0.0 points vs expected), 1,320 games.
  10. Mordekaiser Top - 53.0% win rate with Sion Mid (+0.0 points vs expected), 1,687 games.

Top 10 Low Elo Sion Mid all-role weakest synergies

  1. Jhin ADC - 50.0% win rate with Sion Mid (-0.4 points vs expected), 2,942 games.
  2. Tristana ADC - 52.6% win rate with Sion Mid (-0.3 points vs expected), 1,074 games.
  3. Miss Fortune ADC - 51.8% win rate with Sion Mid (-0.2 points vs expected), 1,985 games.
  4. Caitlyn ADC - 49.7% win rate with Sion Mid (-0.2 points vs expected), 2,414 games.
  5. Thresh Support - 50.4% win rate with Sion Mid (-0.2 points vs expected), 1,748 games.
  6. Lee Sin Jungle - 45.6% win rate with Sion Mid (-0.2 points vs expected), 1,421 games.
  7. Garen Top - 50.4% win rate with Sion Mid (-0.1 points vs expected), 1,170 games.
  8. Nautilus Support - 50.9% win rate with Sion Mid (-0.1 points vs expected), 1,701 games.
  9. Aphelios ADC - 51.7% win rate with Sion Mid (-0.1 points vs expected), 1,076 games.
  10. Blitzcrank Support - 52.2% win rate with Sion Mid (-0.1 points vs expected), 1,023 games.

Top 2 High Elo Sion Mid all-role strongest synergies

  1. Kai'Sa ADC - 52.9% win rate with Sion Mid (+0.3 points vs expected), 1,530 games.
  2. Jhin ADC - 49.5% win rate with Sion Mid (+0.1 points vs expected), 1,275 games.

Top 1 High Elo Sion Mid all-role weakest synergies

  1. Lulu Support - 50.0% win rate with Sion Mid (-0.2 points vs expected), 1,013 games.

How these matchup statistics are calculated

Counter and synergy statistics use Ranked Solo/Duo games, exclude matches shorter than 600 seconds, and group results by patch window, region, rank scope, and champion role.

Pairwise pages use a rolling three-patch window and compare observed win rate with a log-odds expected win rate based on each champion's role-adjusted baseline; listed pairs require at least 1,000 games.

Read the full methodology for the model and guidance on interpreting these results.