Zac - League of Legends Champion
Win Rate
54.7%
Pick Rate
1.5%

Zacvs Sion

STankFighter
Patch26.9
Matches514,344
LaneAll Lanes
TierAll Tiers
Last UpdatedMay 9, 2026
MethodologyData Methodology

Zac vs Sion is a decisive matchup in LoL patch 26.9. Sion wins with a 71.4% win rate (+42.9%) over Zac based on 7 games. Sion wins the early laning phase while Zac scales better into the late game. Below you'll find the best Zac build, runes, laning stats, and strategies for the Zac vs Sion matchup.

Zac Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Zac 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 - 28.6% win rateSion(28.6%)
Zac - 28.6% win rate in this matchup
Zac
28.6% WR
VS
Sion vs Zac matchup - 71.4% win rate
Sion
71.4% WR

Who Wins the Zac vs Sion Matchup?

Sion wins the Zac vs Sion matchup
Winner
Sion
Matches: 7
28.6%
Win Rate
71.4%
3.2
CS / min
4.3
785
DMG / min
910
11,973
Gold / game
14,018
1,598
Heal / min
383
1,651
DMG Mitigated / min
2,389
1.6
CC / min
1.4
0.0%
Early Game WR
100.0%
50.0%
Late Game WR
50.0%

Zac vs Sion Matchup Summary

The Zac vs Sion matchup is a decisive matchup in League of Legends ranked play. Based on 7 recent matches analyzed, Sion wins with a 71.4% win rate compared to Zac's 28.6%, giving Sion a 42.9 percentage point advantage. Game phase dynamics play a critical role here: Sion controls the early laning stage, but Zac outscales as the game goes longer. The matchup shifts dramatically depending on game length — Sion needs to press advantages before Zac reaches their power spikes, while Zac 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 strong advantage in this matchup. Zac players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Sion overextending. Avoid prolonged trades and wait for team fights where positioning and coordination matter more. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Zac vs Sion Laning Phase Breakdown

Sion wins the laning phase against Zac in League of Legends

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

Farming
3.2Zac
4.3Sion
Sion significantly out-farms Zac by 1.0 CS per minute, accumulating an estimated 15 CS lead by mid game. This substantial farming gap gives Sion a major gold advantage and earlier item completions. Zac players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
785Zac
910Sion
Sion heavily out-damages Zac by 124 DMG/min, dominating both short trades and all-in fights. Zac should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Sion's sustained damage advantage take over.
Economy
11,973Zac
14,018Sion
Sion generates a commanding 2,044 more gold per game than Zac. This substantial economic advantage means Sion consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Zac should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
1.6Zac
1.4Sion
Both Zac and Sion provide similar amounts of crowd control (0.2s/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
3,249Zac
2,772Sion
Zac vastly out-sustains Sion, healing and mitigating 478 more damage per minute. This massive durability gap means Zac can absorb significant punishment and remain in lane while Sion is forced to recall. Building grievous wounds early is essential for Sion, and focusing on burst trade patterns rather than sustained fights is critical.

Best Zac Build Against Sion

Plated Steelcaps is the optimal boots choice against Sion, providing the mobility and stats Zac needs most in this matchup. The top-performing core items for Zac against Sion are Hollow Radiance, Liandry's Torment and Thornmail. This combination gives Zac 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 Zac vs Sion matchup.

Early Game vs Late Game

Early Game
Sion
100.0%
+100.0% advantage
Zac early game win rateZac0.0%
Sion early game win rateSion100.0%
Late Game
Zac
50.0%
+0.0% advantage
Zac late game win rateZac50.0%
Sion late game win rateSion50.0%

Sion dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Zac. 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 Zac 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 Zac 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 Zac Runes Against Sion

Resolve rune tree - Zac primary runes vs SionResolve
Grasp of the Undying - best Zac rune vs SionDemolish - best Zac rune vs SionSecond Wind - best Zac rune vs SionRevitalize - best Zac rune vs Sion
Precision rune tree - Zac secondary runes vs SionPrecision
Last Stand - best Zac rune vs SionLegend: Haste - best Zac rune vs Sion
100.0% WR

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


Zac matchup data for League of Legends patch 26.9. The table below shows Zac'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 Zac build, runes, laning stats, and early vs late game analysis for that specific matchup.

Zac matchup win rates and stats in League of Legends patch 26.9
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
49.23%651.257311,91542.9%54.0%
45.16%621.056511,53251.9%40.0%
49.12%571.059712,08168.2%37.1%
55.10%491.261212,19160.9%50.0%
58.33%480.960012,69750.0%62.5%
58.54%411.162112,05762.5%56.0%
56.10%411.056210,89142.1%68.2%
35.90%390.955210,47331.3%39.1%
43.59%391.167211,24038.1%50.0%
43.24%371.359111,57343.8%42.9%
54.05%371.163011,67855.6%52.6%
57.58%331.363012,28257.9%57.1%
65.63%321.159011,79557.1%72.2%
41.94%311.061012,45458.3%31.6%
54.84%311.459711,73458.8%50.0%
60.00%301.162211,88171.4%50.0%
58.62%291.262612,87760.0%57.9%
55.56%271.059511,55056.3%54.5%
68.00%251.064613,07075.0%64.7%
66.67%241.166211,63569.2%63.6%
33.33%241.057911,52918.2%46.1%
60.87%231.166213,28677.8%50.0%
43.48%231.163310,55445.5%41.7%
63.64%221.957812,12566.7%61.5%
54.55%221.152210,87330.8%88.9%
52.38%211.259011,36754.5%50.0%
70.00%203.589310,90366.7%71.4%
60.00%201.663211,07181.8%33.3%
45.00%201.352110,22745.5%44.4%
47.37%191.262411,64454.5%37.5%
61.11%180.962411,81177.8%44.4%
55.56%181.367312,52971.4%45.5%
56.25%160.960611,37160.0%54.5%
56.25%161.881012,94971.4%44.4%
40.00%151.957210,45933.3%50.0%
53.33%151.561210,96250.0%55.6%
57.14%141.968412,22757.1%57.1%
28.57%142.55369,29022.2%40.0%
76.92%131.278614,88785.7%66.7%
61.54%131.046011,09240.0%75.0%
69.23%133.360811,63185.7%50.0%
41.67%121.660611,70233.3%50.0%
50.00%124.666111,02557.1%40.0%
50.00%121.470214,5860.0%66.7%
54.55%113.164411,63960.0%50.0%
45.45%111.460110,97133.3%60.0%
50.00%102.454411,25433.3%57.1%
66.67%92.156110,46340.0%100.0%
77.78%95.382412,650100.0%60.0%
33.33%91.664712,86450.0%20.0%
66.67%91.270811,96250.0%80.0%
66.67%94.755210,47375.0%60.0%
100.00%92.266012,722100.0%100.0%
66.67%92.86128,65150.0%100.0%
25.00%81.154810,54425.0%25.0%
50.00%81.747211,39160.0%33.3%
62.50%81.568812,414100.0%50.0%
62.50%82.964810,87950.0%66.7%
62.50%84.176711,89880.0%33.3%
42.86%71.960111,43833.3%50.0%
28.57%72.93786,70220.0%50.0%
42.86%75.14868,09150.0%0.0%
28.57%73.278511,9730.0%50.0%
71.43%71.366612,25750.0%80.0%
66.67%61.961511,74450.0%100.0%
33.33%64.65769,661100.0%20.0%
50.00%65.867911,03250.0%50.0%
50.00%61.74369,95933.3%66.7%
83.33%67.480011,050100.0%0.0%
50.00%61.260311,6790.0%50.0%
66.67%61.058113,065100.0%60.0%
50.00%62.055110,7850.0%100.0%
66.67%61.380914,585100.0%50.0%
50.00%61.54449,62966.7%33.3%
60.00%56.775410,79266.7%50.0%
40.00%52.868511,4700.0%66.7%
20.00%51.94379,0890.0%50.0%
40.00%51.45197,81150.0%33.3%
60.00%54.865011,27650.0%66.7%
40.00%51.96017,48466.7%0.0%

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Zac vs Sion - Frequently Asked Questions

How does Zac do against Sion in League of Legends?

Sion wins the Zac vs Sion matchup with a 71.4% win rate compared to Zac's 28.6%, a 42.9 percentage point difference. This data is based on 7 recent ranked games in patch 26.9.

How does Zac do against Sion in the early game?

In the early game, Sion has the advantage against Zac 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 Zac do against Sion in the late game?

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

Who wins the Zac vs Sion matchup?

Sion wins the matchup against Zac with a 71.4% win rate in League of Legends patch 26.9. The 42.9 percentage point advantage means Sion is significantly favored in this lane matchup based on 7 games analyzed.

What is the best Zac build against Sion?

The best Zac build against Sion includes Hollow Radiance, Liandry's Torment, Thornmail with Plated Steelcaps. Check the matchup breakdown above for the full item path and build order.

What are the best Zac runes against Sion?

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

Does Zac counter Sion?

No, Zac struggles against Sion with only a 28.6% win rate. Sion has the advantage in this matchup. Zac players should focus on safe farming and avoiding extended trades to minimize Sion's lead.

How do I play Zac against Sion?

When playing Zac 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.