Sion - League of Legends Champion
Win Rate
49.9%
Pick Rate
3.4%

Sionvs Sejuani

CTankFighter
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 21, 2026
MethodologyData Methodology

Sion vs Sejuani is a very close matchup in LoL patch 26.7. Sion wins with a 50.0% win rate (+0.0%) over Sejuani based on 6 games. Sion wins the early laning phase while Sejuani scales better into the late game. Below you'll find the best Sion build, runes, laning stats, and strategies for the Sion vs Sejuani matchup.

Sion Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Sion performs against them. You'll get head-to-head win rates, laning stats, the best build and runes for the matchup, and early vs late game analysis — all based on real ranked data.

Compare against an opponent
Sejuani - 50.0% win rateSejuani(50.0%)
Sion - 50.0% win rate in this matchup
Sion
50.0% WR
VS
Sejuani vs Sion matchup - 50.0% win rate
Sejuani
50.0% WR

Who Wins the Sion vs Sejuani Matchup?

Sion wins the Sion vs Sejuani matchup
Winner
Sion
Matches: 6
50.0%
Win Rate
50.0%
3.0
CS / min
2.0
779
DMG / min
731
12,822
Gold / game
11,691
355
Heal / min
404
1,955
DMG Mitigated / min
1,454
1.4
CC / min
1.3
100.0%
Early Game WR
0.0%
0.0%
Late Game WR
100.0%

Sion vs Sejuani Matchup Summary

The Sion vs Sejuani matchup is essentially a coin-flip matchup in League of Legends ranked play. Based on 6 recent matches analyzed, Sion wins with a 50.0% win rate compared to Sejuani's 50.0%, giving Sion a 0.0 percentage point advantage. Game phase dynamics play a critical role here: Sion controls the early laning stage, but Sejuani outscales as the game goes longer. The matchup shifts dramatically depending on game length — Sion needs to press advantages before Sejuani reaches their power spikes, while Sejuani should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in CS, where Sion leads by 1.0 CS/min — a difference that heavily influences the outcome of trades and skirmishes. Sion has a statistical edge, but the margin is close enough that respecting Sejuani's strengths is important. Trade when cooldowns are favorable, track the enemy jungler, and build toward your strongest item spikes to convert the slight advantage into a decisive lead. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Sion vs Sejuani Laning Phase Breakdown

Sion wins the laning phase against Sejuani in League of Legends

Sion is favored during the laning phase against Sejuani, winning 5 out of 5 key stat categories. Sion holds advantages in farming, damage, gold income, crowd control and sustain, making them the stronger laner in this matchup.

Farming
3.0Sion
2.0Sejuani
Sion significantly out-farms Sejuani by 1.0 CS per minute, accumulating an estimated 14 CS lead by mid game. This substantial farming gap gives Sion a major gold advantage and earlier item completions. Sejuani players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
779Sion
731Sejuani
Sion deals 48 more champion damage per minute than Sejuani. While noticeable in extended trades, this gap can be offset by Sejuani choosing favorable fight windows, such as engaging when Sion's key abilities are on cooldown or trading immediately after dodging a skillshot.
Economy
12,822Sion
11,691Sejuani
Sion generates a commanding 1,131 more gold per game than Sejuani. This substantial economic advantage means Sion consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Sejuani should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
1.4Sion
1.3Sejuani
Both Sion and Sejuani provide similar amounts of crowd control (0.1s/min difference), meaning neither has a significant advantage in locking down opponents for ganks or team fights. Lane ganks are equally effective for both sides.
Sustain
2,311Sion
1,857Sejuani
Sion vastly out-sustains Sejuani, healing and mitigating 453 more damage per minute. This massive durability gap means Sion can absorb significant punishment and remain in lane while Sejuani is forced to recall. Building grievous wounds early is essential for Sejuani, and focusing on burst trade patterns rather than sustained fights is critical.

Best Sion Build Against Sejuani

Boots of Swiftness is the optimal boots choice against Sejuani, providing the mobility and stats Sion needs most in this matchup. The top-performing core items for Sion against Sejuani are Opportunity, Axiom Arc and The Collector. This combination gives Sion an effective balance of damage, survivability, and utility for the matchup. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Sion vs Sejuani matchup.

Early Game vs Late Game

Early Game
Sion
100.0%
+100.0% advantage
Sion early game win rateSion100.0%
Sejuani early game win rateSejuani0.0%
Late Game
Sejuani
100.0%
+100.0% advantage
Sion late game win rateSion0.0%
Sejuani late game win rateSejuani100.0%

Sion dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Sejuani. This lopsided early game means Sion can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Sejuani is far superior in the late game (25+ minutes), boasting a 100.0% win rate — 100.0 points above Sion. Extended games heavily favor Sejuani, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Sion must aggressively press their early advantage and close out the game before Sejuani reaches their scaling breakpoints. If Sejuani survives the laning phase without falling too far behind, the matchup flips in their favor. Dragon and Rift Herald control are pivotal — the team that secures early objectives can snowball or buy time to scale.

Best Sion Runes Against Sejuani

Sorcery rune tree - Sion primary runes vs SejuaniSorcery
Phase Rush - best Sion rune vs SejuaniManaflow Band - best Sion rune vs SejuaniCelerity - best Sion rune vs SejuaniScorch - best Sion rune vs Sejuani
Resolve rune tree - Sion secondary runes vs SejuaniResolve
Revitalize - best Sion rune vs SejuaniBone Plating - best Sion rune vs Sejuani
100.0% WR

The Sorcery primary with Resolve secondary combination helps Sion maximize their potential in this closely contested matchup, providing the right mix of offensive and defensive tools to edge out Sejuani.


Sion matchup data for League of Legends patch 26.7. The table below shows Sion's win rate, gold difference, and performance stats against every champion in the current meta. Click any champion name to see a detailed head-to-head breakdown including the best Sion build, runes, laning stats, and early vs late game analysis for that specific matchup.

Sion matchup win rates and stats in League of Legends patch 26.7
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
51.25%1607.381612,46244.2%57.8%
58.42%1016.988012,95467.5%52.5%
48.94%946.886012,74352.8%46.5%
46.74%926.892212,05656.5%37.0%
53.57%847.176213,36269.7%43.1%
46.58%737.074411,99844.4%48.6%
40.30%676.686712,31342.4%38.2%
52.24%677.187312,94250.0%53.9%
39.68%637.385413,76042.9%38.1%
46.55%586.376411,06146.4%46.7%
50.91%557.679113,31766.7%38.7%
49.09%557.199212,60765.2%37.5%
50.94%537.186612,22145.8%55.2%
51.92%527.11,17012,57753.9%50.0%
64.00%506.899812,32266.7%62.1%
46.94%496.270112,81350.0%44.8%
57.14%497.881113,91757.9%56.7%
54.17%486.781913,13577.3%34.6%
52.08%487.187712,99443.8%56.3%
34.04%477.293012,73750.0%22.2%
57.45%477.183012,34563.2%53.6%
52.17%467.286713,13752.6%51.9%
52.27%447.295012,25675.0%39.3%
42.86%427.375712,73847.6%38.1%
47.62%426.779210,31840.0%54.5%
43.90%417.082712,25638.9%47.8%
55.00%406.981512,84443.8%62.5%
51.28%396.994112,96166.7%41.7%
38.46%397.383812,43347.8%25.0%
46.15%397.577012,79641.2%50.0%
50.00%387.884812,40047.6%52.9%
52.63%386.182113,36368.8%40.9%
48.65%376.967112,37944.4%52.6%
47.22%367.185112,22847.4%47.1%
38.89%365.381611,74547.4%29.4%
54.55%337.491614,77571.4%42.1%
54.55%337.374712,73550.0%58.8%
51.61%316.976111,53852.9%50.0%
41.94%317.169111,60833.3%53.9%
40.00%306.869511,45950.0%31.3%
37.93%297.180711,87641.2%33.3%
48.15%277.372712,46054.5%43.8%
48.15%277.882714,51555.6%44.4%
65.38%266.797915,05580.0%61.9%
46.15%264.872611,17527.3%60.0%
34.62%266.81,05213,13541.7%28.6%
52.00%257.591313,17350.0%53.9%
58.33%247.393312,74870.0%50.0%
37.50%246.579712,39530.8%45.5%
52.17%234.885111,66953.9%50.0%
65.22%237.187813,26950.0%76.9%
43.48%236.687613,39450.0%40.0%
31.58%196.477914,00133.3%30.8%
61.11%186.492213,12377.8%44.4%
50.00%183.386913,76433.3%53.3%
50.00%187.275412,75455.6%44.4%
61.11%185.467511,21966.7%55.6%
38.89%183.575611,38250.0%33.3%
29.41%177.570712,47322.2%37.5%
47.06%176.469511,72470.0%14.3%
47.06%177.482212,65260.0%28.6%
58.82%177.180110,66766.7%50.0%
35.29%177.383013,39222.2%50.0%
47.06%174.577712,23037.5%55.6%
82.35%172.469511,406100.0%70.0%
35.29%175.990615,0600.0%42.9%
12.50%167.579213,4290.0%20.0%
62.50%167.080514,12840.0%72.7%
56.25%167.478113,43583.3%40.0%
80.00%157.377413,11975.0%85.7%
66.67%157.182913,24055.6%83.3%
60.00%157.289812,47677.8%33.3%
53.33%154.979511,94685.7%25.0%
50.00%146.377712,51150.0%50.0%
35.71%146.282113,93825.0%40.0%
64.29%147.376611,98666.7%62.5%
61.54%132.572512,18266.7%60.0%
53.85%137.364013,80220.0%75.0%
76.92%132.485011,38875.0%80.0%
61.54%137.374113,16775.0%55.6%
53.85%137.188413,04050.0%55.6%
38.46%137.363111,54325.0%44.4%
69.23%137.890413,67680.0%62.5%
66.67%126.962613,11783.3%50.0%
33.33%122.169013,60750.0%30.0%
58.33%125.971312,92950.0%62.5%
54.55%115.278211,99580.0%33.3%
63.64%112.696216,58450.0%71.4%
45.45%117.668512,45760.0%33.3%
36.36%114.483115,2510.0%44.4%
54.55%116.31,00113,45955.6%50.0%
60.00%105.084412,86775.0%50.0%
50.00%102.767710,280100.0%28.6%
30.00%103.979613,8390.0%42.9%
50.00%105.070411,32566.7%42.9%
50.00%106.293613,627100.0%37.5%
60.00%103.590014,25680.0%40.0%
55.56%93.467412,21233.3%66.7%
55.56%96.282512,127100.0%20.0%
55.56%94.494813,47033.3%66.7%
25.00%86.885112,7910.0%33.3%
50.00%87.182013,06375.0%25.0%
75.00%84.355912,714100.0%60.0%
50.00%83.75039,06566.7%40.0%
75.00%86.185314,36975.0%75.0%
37.50%82.258511,67125.0%50.0%
37.50%87.971715,24433.3%40.0%
62.50%82.280410,90683.3%0.0%
62.50%82.667412,51150.0%66.7%
62.50%81.769610,20260.0%66.7%
42.86%73.072311,28433.3%50.0%
42.86%75.182712,52025.0%66.7%
57.14%76.680913,230100.0%25.0%
14.29%76.464712,95550.0%0.0%
28.57%77.756411,8560.0%50.0%
57.14%75.888313,34975.0%33.3%
85.71%73.061014,302100.0%66.7%
71.43%76.567414,40850.0%80.0%
66.67%61.95809,04550.0%75.0%
66.67%63.396613,31266.7%66.7%
83.33%66.41,05414,514100.0%66.7%
33.33%66.163810,86933.3%33.3%
16.67%62.35209,56033.3%0.0%
50.00%61.683414,78150.0%50.0%
50.00%63.077912,822100.0%0.0%
50.00%62.68109,55840.0%100.0%
16.67%63.478612,37550.0%0.0%
100.00%57.179915,2930.0%100.0%
40.00%56.283313,78133.3%50.0%
60.00%55.882213,42966.7%50.0%
80.00%51.66079,50066.7%100.0%
60.00%57.265610,24550.0%100.0%

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Sion vs Sejuani - Frequently Asked Questions

How does Sion do against Sejuani in League of Legends?

Sion wins the Sion vs Sejuani matchup with a 50.0% win rate compared to Sejuani's 50.0%, a 0.0 percentage point difference. This data is based on 6 recent ranked games in patch 26.7.

How does Sion do against Sejuani in the early game?

In the early game, Sion has the advantage against Sejuani with a 100.0% win rate versus 0.0%. Sion players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Sion do against Sejuani in the late game?

In the late game, Sejuani takes over the Sion vs Sejuani matchup with a 100.0% win rate compared to 0.0%. Sejuani scales better into team fights and objective contests after 25 minutes.

Who wins the Sion vs Sejuani matchup?

Sion wins the matchup against Sejuani with a 50.0% win rate in League of Legends patch 26.7. The 0.0 percentage point advantage means Sion is slightly favored in this lane matchup based on 6 games analyzed.

What is the best Sion build against Sejuani?

The best Sion build against Sejuani includes Opportunity, Axiom Arc, The Collector with Boots of Swiftness. Check the matchup breakdown above for the full item path and build order.

What are the best Sion runes against Sejuani?

The best Sion runes against Sejuani use the Sorcery primary tree with Resolve secondary. This rune setup achieves a 100.0% win rate in the Sion vs Sejuani matchup. See the full rune breakdown in the matchup comparison above.

Does Sion counter Sejuani?

Yes, Sion has a favorable matchup against Sejuani with a 50.0% win rate. Sion slightly edges out Sejuani in lane based on current patch 26.7 data.

How do I play Sion against Sejuani?

When playing Sion against Sejuani, leverage your statistical advantages by trading aggressively during favorable windows. You have early game priority — look for kills and zone control before first recall. Build the recommended items and runes for this specific matchup for the best results.