Source: Ranked + player metaPatch: 16.17Window: patchRegion: allRank: emerald_plusQueue: ranked_soloSample: 31Updated 10/28/2026, 4:37:15 AM
Confidence: Medium-8.1% vs 50%31 games
Lane phases
AI heuristicLevels 1–2
Tahm Kench edge
Tahm Kench has stronger early trades — respect all-ins.
Levels 3–5
Tahm Kench edge
Sion needs to play safe until item spikes.
Level 6+
Tahm Kench edge
Ultimate timing often swings the next two waves.
Mid / late
Tahm Kench edge
If Sion reaches items, teamfights can neutralize the lane loser.
Why?
AI heuristicHard
- Sample win rate for Sion is 41.9% in this matchup.
- Tahm Kench statistically wins more often in the current Emerald+ sample.
Treat this as a Hard matchup for Sion into Tahm Kench — prioritize cooldown windows and jungle tracking.
Do
- Give up early shove if Tahm Kench can all-in you.
- Track summoner spells and ultimate cooldowns before committing.
- Play for wave states that let you crash and reset safely.
Don't
- Don't overstay for a plate when behind.
- Don't force extended trades when key abilities are down.
- Don't ignore jungle timers when the lane is volatile.
Matchup build callout
Full builds →Most-played Sion page (Top): Grasp of the Undying Build · 47.4% WR · 173 games
Skill order: W › Q › E
Keystones (player meta)
Most common keystones when sion faces tahm-kench in lookup-discovered matches.
Grasp of the Undying2G50.0%
Patch: 16.17Region: naRank: emerald_plusQueue: ranked_soloSample: 189Updated 10/22/2026, 1:02:15 PM