Swain - League of Legends Champion
Win Rate
50.8%
Pick Rate
4.7%

Swainvs Sion

AMageSupport
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 20, 2026
MethodologyData Methodology

Swain vs Sion is a moderate matchup in LoL patch 26.7. Sion wins with a 52.2% win rate (+4.3%) over Swain based on 23 games. Sion wins the early laning phase while Swain scales better into the late game. Below you'll find the best Swain build, runes, laning stats, and strategies for the Swain vs Sion matchup.

Swain Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Swain 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
Sion - 47.8% win rateSion(47.8%)
Swain - 47.8% win rate in this matchup
Swain
47.8% WR
VS
Sion vs Swain matchup - 52.2% win rate
Sion
52.2% WR

Who Wins the Swain vs Sion Matchup?

Sion wins the Swain vs Sion matchup
Winner
Sion
Matches: 23
47.8%
Win Rate
52.2%
4.3
CS / min
4.8
919
DMG / min
851
10,878
Gold / game
11,669
497
Heal / min
294
835
DMG Mitigated / min
2,017
2.3
CC / min
1.9
46.1%
Early Game WR
53.9%
50.0%
Late Game WR
50.0%

Swain vs Sion Matchup Summary

The Swain vs Sion matchup is a moderate matchup in League of Legends ranked play. Based on 23 recent matches analyzed, Sion wins with a 52.2% win rate compared to Swain's 47.8%, giving Sion a 4.3 percentage point advantage. Game phase dynamics play a critical role here: Sion controls the early laning stage, but Swain outscales as the game goes longer. The matchup shifts dramatically depending on game length — Sion needs to press advantages before Swain reaches their power spikes, while Swain should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Sion leads by 979 HP/min — a difference that heavily influences the outcome of trades and skirmishes. While Sion is slightly favored, Swain can absolutely win this lane through smart trading patterns and wave management. Focus on playing around your cooldowns, conceding CS only when necessary, and capitalizing on Sion's mistakes. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Swain vs Sion Laning Phase Breakdown

Sion wins the laning phase against Swain in League of Legends

Sion is favored during the laning phase against Swain, winning 3 out of 5 key stat categories. Sion holds advantages in farming, gold income and sustain, making them the stronger laner in this matchup.

Farming
4.3Swain
4.8Sion
Sion edges out Swain by 0.5 CS per minute — a moderate farming advantage that adds up to roughly 8 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Sion.
Damage
919Swain
851Sion
Swain deals 68 more champion damage per minute than Sion. While noticeable in extended trades, this gap can be offset by Sion choosing favorable fight windows, such as engaging when Swain's key abilities are on cooldown or trading immediately after dodging a skillshot.
Economy
10,878Swain
11,669Sion
Sion earns 791 more gold per game than Swain, equivalent to roughly one additional component item. This economic edge comes from a combination of better farming, kill participation, and objective control, giving Sion slightly faster item completions.
Utility
2.3Swain
1.9Sion
Swain provides 0.4 seconds more crowd control per minute than Sion, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Swain coordinate with their jungler and control the pace of skirmishes.
Sustain
1,332Swain
2,311Sion
Sion vastly out-sustains Swain, healing and mitigating 979 more damage per minute. This massive durability gap means Sion can absorb significant punishment and remain in lane while Swain is forced to recall. Building grievous wounds early is essential for Swain, and focusing on burst trade patterns rather than sustained fights is critical.

Best Swain Build Against Sion

Sorcerer's Shoes is the optimal boots choice against Sion, providing the mobility and stats Swain needs most in this matchup. The top-performing core items for Swain against Sion are Liandry's Torment, Rylai's Crystal Scepter and Spirit Visage. This combination gives Swain an effective balance of damage, survivability, and utility for the matchup. This build achieves a solid 50.0% win rate across 2 games, proving it to be a reliable item path when facing Sion. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Swain vs Sion matchup.

Early Game vs Late Game

Early Game
Sion
53.9%
+7.7% advantage
Swain early game win rateSwain46.1%
Sion early game win rateSion53.9%
Late Game
Swain
50.0%
+0.0% advantage
Swain late game win rateSwain50.0%
Sion late game win rateSion50.0%

Sion dominates the early game (first 15 minutes) with a commanding 53.9% win rate — a 7.7 percentage point lead over Swain. This lopsided early game means Sion can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Late game (25+ minutes) is equally balanced, with Swain at 50.0% win rate — only 0.0 points ahead of Sion. Team fight execution and macro play determine the winner at this stage, not champion matchup advantage.

The power dynamics shift as the game progresses — Sion has the edge early, but Swain gradually takes over. However, the margins are slim enough that either champion can win at any stage with the right plays. Focus on taking advantages when you have them rather than waiting for a specific game phase.

Best Swain Runes Against Sion

Sorcery rune tree - Swain primary runes vs SionSorcery
Arcane Comet - best Swain rune vs SionManaflow Band - best Swain rune vs SionTranscendence - best Swain rune vs SionScorch - best Swain rune vs Sion
Precision rune tree - Swain secondary runes vs SionPrecision
Presence of Mind - best Swain rune vs SionCoup de Grace - best Swain rune vs Sion
100.0% WR

The Sorcery and Precision rune setup gives Swain the best tools to compete against Sion in this difficult matchup, compensating for the statistical disadvantages with optimal rune synergies.


Swain matchup data for League of Legends patch 26.7. The table below shows Swain'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 Swain build, runes, laning stats, and early vs late game analysis for that specific matchup.

Swain 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
41.46%1642.466610,14941.9%41.2%
50.00%1481.77179,72346.6%53.3%
44.06%1431.86439,29745.7%42.5%
49.25%1341.77219,98852.9%45.3%
51.28%1171.973810,78556.8%48.8%
54.05%1112.06419,69251.0%56.5%
51.38%1092.478710,52963.4%44.1%
41.35%1041.774910,27538.1%43.5%
41.75%1032.672410,12632.5%47.6%
41.49%946.084912,53346.1%38.2%
46.15%913.872410,85738.5%51.9%
46.59%881.86929,61038.1%54.4%
40.51%791.86189,24241.7%39.5%
65.82%796.188611,30461.1%69.8%
47.44%782.598910,31645.5%48.9%
41.56%773.170110,35220.0%51.9%
46.75%771.87609,98256.4%36.8%
37.84%745.394812,09341.9%34.9%
41.67%724.979511,90539.4%43.6%
47.89%711.86799,69242.9%52.8%
46.27%671.977710,36146.7%46.0%
53.03%666.085710,94258.1%48.6%
43.94%662.368710,22540.7%46.1%
53.97%636.392112,04042.4%66.7%
60.66%616.588512,43772.2%44.0%
46.67%602.266110,25646.1%47.1%
47.46%591.76649,95356.3%37.0%
54.39%574.986711,55154.5%54.3%
50.00%566.389512,27048.0%51.6%
50.00%562.377110,84343.5%54.5%
55.56%541.665010,28361.9%51.5%
41.18%516.096111,45250.0%35.5%
47.06%511.66829,35743.3%52.4%
44.00%506.01,00912,62256.0%32.0%
50.00%486.391011,60346.4%55.0%
39.58%486.389112,25845.5%34.6%
60.42%481.985110,01460.9%60.0%
56.82%441.95889,07360.0%52.6%
56.82%444.984310,77060.9%52.4%
52.27%446.085310,89945.0%58.3%
50.00%441.975410,44750.0%50.0%
53.85%393.580611,03075.0%39.1%
56.41%396.094510,70566.7%47.6%
59.46%375.788412,01058.8%60.0%
44.44%365.81,04811,23355.6%33.3%
72.22%362.97869,84581.8%57.1%
40.00%356.284210,61735.3%44.4%
50.00%342.273510,49850.0%50.0%
42.42%331.981410,26453.9%35.0%
50.00%321.66209,52746.7%52.9%
48.39%316.075010,36958.8%35.7%
45.16%314.070610,11546.1%44.4%
53.33%305.596912,08761.5%47.1%
43.33%304.81,01011,49661.5%29.4%
41.38%292.073010,81257.1%36.4%
37.93%295.580512,40057.1%20.0%
50.00%286.194512,41463.6%41.2%
53.57%286.18719,91152.9%54.5%
53.57%285.883211,54662.5%50.0%
46.43%286.095712,73153.3%38.5%
62.96%276.382611,48268.8%54.5%
55.56%274.990311,07161.5%50.0%
62.96%271.67209,44284.6%42.9%
50.00%262.07239,97950.0%50.0%
57.69%265.395710,44054.5%60.0%
45.83%243.96699,52341.7%50.0%
54.17%245.495110,61672.7%38.5%
50.00%242.077611,22050.0%50.0%
47.83%234.391910,87846.1%50.0%
52.38%215.71,08513,80060.0%45.5%
47.62%215.794310,60866.7%40.0%
57.14%215.789813,15180.0%50.0%
40.00%205.299311,85862.5%25.0%
55.00%205.370010,29458.3%50.0%
60.00%206.31,01112,69171.4%53.9%
70.00%206.098912,57172.7%66.7%
52.63%196.288412,42162.5%45.5%
66.67%185.883212,20566.7%66.7%
61.11%185.888310,75160.0%62.5%
55.56%185.996810,03355.6%55.6%
55.56%186.093310,57754.5%57.1%
66.67%186.190712,98650.0%87.5%
64.71%176.996214,12383.3%54.5%
41.18%176.190613,02850.0%33.3%
64.71%175.91,05511,43077.8%50.0%
64.71%171.76459,40575.0%55.6%
50.00%161.87139,82150.0%50.0%
37.50%165.776910,42845.5%20.0%
62.50%163.97369,96787.5%37.5%
73.33%156.01,00811,82477.8%66.7%
50.00%146.992114,725100.0%41.7%
50.00%145.585111,45433.3%54.5%
35.71%145.17959,37225.0%50.0%
35.71%141.66849,73616.7%50.0%
30.77%136.788512,77828.6%33.3%
61.54%136.01,02511,42033.3%85.7%
46.15%135.184912,48675.0%33.3%
46.15%136.186512,78750.0%44.4%
46.15%134.485611,37333.3%57.1%
46.15%135.81,25011,84233.3%57.1%
30.77%136.01,03313,2030.0%40.0%
50.00%125.281310,05266.7%33.3%
58.33%125.668910,05442.9%80.0%
50.00%126.479111,57533.3%66.7%
25.00%126.386910,4630.0%42.9%
33.33%125.396710,74620.0%42.9%
45.45%115.798210,42228.6%75.0%
45.45%116.11,01811,74450.0%40.0%
18.18%116.279610,26828.6%0.0%
54.55%115.51,04612,56175.0%42.9%
70.00%105.676810,85566.7%71.4%
60.00%103.380910,67275.0%50.0%
66.67%96.01,04712,71466.7%66.7%
55.56%94.590610,58783.3%0.0%
55.56%96.61,14011,96466.7%33.3%
37.50%86.797311,2980.0%42.9%
12.50%86.07168,18825.0%0.0%
50.00%83.691710,45933.3%60.0%
62.50%85.986412,20966.7%60.0%
50.00%86.37359,31960.0%33.3%
87.50%84.595511,473100.0%83.3%
85.71%76.988710,17575.0%100.0%
57.14%75.66819,02850.0%66.7%
57.14%75.91,0449,37766.7%50.0%
28.57%72.384011,26650.0%20.0%
57.14%71.97098,96460.0%50.0%
33.33%65.371810,67733.3%33.3%
66.67%65.397014,1460.0%66.7%
83.33%65.086712,63150.0%100.0%
66.67%65.194812,368100.0%50.0%
33.33%65.85639,16950.0%0.0%
33.33%66.31,04012,29350.0%25.0%
33.33%65.572910,8450.0%50.0%
40.00%53.189211,6010.0%40.0%
100.00%52.887611,251100.0%100.0%
40.00%54.49959,95266.7%0.0%
0.00%55.31,06714,7510.0%0.0%
100.00%53.588713,310100.0%100.0%
0.00%52.55577,4060.0%0.0%
20.00%55.41,13611,5890.0%33.3%

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Swain vs Sion - Frequently Asked Questions

How does Swain do against Sion in League of Legends?

Sion wins the Swain vs Sion matchup with a 52.2% win rate compared to Swain's 47.8%, a 4.3 percentage point difference. This data is based on 23 recent ranked games in patch 26.7.

How does Swain do against Sion in the early game?

In the early game, Sion has the advantage against Swain with a 53.9% win rate versus 46.1%. Sion players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Swain do against Sion in the late game?

In the late game, Swain takes over the Swain vs Sion matchup with a 50.0% win rate compared to 50.0%. Swain scales better into team fights and objective contests after 25 minutes.

Who wins the Swain vs Sion matchup?

Sion wins the matchup against Swain with a 52.2% win rate in League of Legends patch 26.7. The 4.3 percentage point advantage means Sion is moderately favored in this lane matchup based on 23 games analyzed.

What is the best Swain build against Sion?

The best Swain build against Sion includes Liandry's Torment, Rylai's Crystal Scepter, Spirit Visage with Sorcerer's Shoes. This build achieves a 50.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.

What are the best Swain runes against Sion?

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

Does Swain counter Sion?

No, Swain struggles against Sion with only a 47.8% win rate. Sion has the advantage in this matchup. Swain players should focus on safe farming and avoiding extended trades to minimize Sion's lead.

How do I play Swain against Sion?

When playing Swain against Sion, play cautiously and avoid Sion's power spikes. Focus on safe farming — you outscale Sion in the late game. Use the matchup-specific build and runes above to optimize your chances.