- Win Rate
- 49.7%
- Pick Rate
- 1.9%
- Ban Rate
- 0.6%
Sion Synergies & Best Teammates
- Patch
- 26.20
- Games
- 3,482
- Lane
- All Lanes
- Tier
- All Tiers
- Last Updated
- Oct 16, 2026 UTC
- Methodology
- Data Methodology
- Author
- Dakota Chinnick
Who Sion wins with in Patch 26.20: every teammate in every role, measured against what both champions win on their own, so a strong pair is real synergy and not two strong champions.
Sion Synergies - Patch 26.20
81 teammate pairings measuredSion (Top) wins most with Kayn as jungler (56.2%, +6.5 over expected) and Ashe as ADC (55.6%, +7.3). The weakest pairing is Yone as mid laner at 42.3%, 9.1 points below expected.
Best junglers for Sion
| Teammate | Win Rate | Synergy | Games |
|---|---|---|---|
 Kayn | 56.2% | +6.5 | 121 |
 Kha'Zix | 56.9% | +8.9 | 51 |
 Vi | 59.5% | +10.1 | 42 |
 Hecarim | 53.6% | +7.3 | 56 |
 Wukong | 56.0% | +3.4 | 100 |
 Viego | 50.9% | +1.6 | 108 |
Weakest pairings
Best supports for Sion
| Teammate | Win Rate | Synergy | Games |
|---|---|---|---|
 Pyke | 61.2% | +12.4 | 67 |
 Brand | 61.4% | +11.1 | 57 |
 Nautilus | 58.2% | +8.5 | 79 |
 Soraka | 57.1% | +6.3 | 63 |
 Nami | 54.6% | +3.5 | 97 |
 Karma | 53.8% | +5.5 | 65 |
Weakest pairings
| Teammate | Win Rate | Synergy | Games |
|---|---|---|---|
 Blitzcrank | 35.8% | −13.9 | 67 |
 Senna | 40.3% | −9.5 | 62 |
 Thresh | 46.8% | −4.1 | 124 |
Strongest and weakest Sion pairings
- Kayn · jungler
Ashe · ADC
Tristana · ADC- Thresh · support
Jhin · ADC
Yone · mid laner
The most common lane partner is Jhin, in 10.7% of Sion's games.
Best ADCs for Sion
| Teammate | Win Rate | Synergy | Games |
|---|---|---|---|
| Jhin | 50.0% | +1.9 | 42 |
Best ADCs for Sion
No teammate in this role clearly lifts the win rate yet.
Weakest pairings
| Teammate | Win Rate | Synergy | Games |
|---|---|---|---|
 Caitlyn | 39.5% | −8.0 | 43 |
Synergy is the win rate with that teammate minus the win rate the two champions would be expected to reach together from their own win rates in their roles (log5). Lists are ranked by the low end of each synergy's 95% range, so a small sample cannot lead a list on luck alone.
Sion Team Synergy Checker
Pick your teammates
Pick your teammates to see how each one moves Sion's Top win rate, and an estimate for the whole team.
An estimate: it adds each pairing's measured synergy on the odds scale and assumes the pairings are independent. Real teams also depend on the enemy draft and the players.
Help us maintain accuracy! If you notice incorrect stats, missing data, or any issues, your feedback directly improves the quality of our data for the entire community.
Sion Synergies FAQ - Patch 26.20
Which champions does Sion synergize with?
This patch, Sion (Top) gets the biggest lift from Kayn (jungler, 56.2%), Ashe (ADC, 55.6%), Tristana (ADC, 56.1%).
Which teammates are bad with Sion?
Sion (Top) does worst next to Yone (mid laner, 42.3%), Jhin (ADC, 46.3%), Thresh (support, 46.8%) — each below what the two champions win on their own.
How is synergy calculated?
From ranked solo and flex games this patch: the win rate when both champions are on the same team, minus the win rate expected from each champion's own win rate in its role. A positive number means the pair wins more together than their individual strength explains. Pairings need at least 40 games to be listed.