Rengar - League of Legends Champion
Win Rate
46.1%
Pick Rate
2.1%

Rengarvs Sion

FAssassinFighter
Patch26.11
Matches776,441
LaneAll Lanes
TierAll Tiers
Last UpdatedJun 7, 2026
MethodologyData Methodology

Rengar vs Sion is a decisive matchup in LoL patch 26.11. Sion wins with a 54.5% win rate (+9.1%) over Rengar based on 11 games. Rengar wins the early laning phase while Sion scales better into the late game. Below you'll find the best Rengar build, runes, laning stats, and strategies for the Rengar vs Sion matchup.

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Rengar Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Rengar 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
Rengar - 45.5% win rate in this matchup
Rengar
45.5% WR
VS
Sion vs Rengar matchup - 54.5% win rate
Sion
54.5% WR

Who Wins the Rengar vs Sion Matchup?

Sion wins the Rengar vs Sion matchup
Winner
Sion
Matches: 11
45.5%
Win Rate
54.5%
3.1
CS / min
3.3
1,042
DMG / min
634
15,400
Gold / game
13,016
525
Heal / min
323
726
DMG Mitigated / min
2,219
0.7
CC / min
1.1
50.0%
Early Game WR
50.0%
42.9%
Late Game WR
57.1%

Rengar vs Sion Matchup Summary

The Rengar vs Sion matchup is a decisive matchup in League of Legends ranked play. Based on 11 recent matches analyzed, Sion wins with a 54.5% win rate compared to Rengar's 45.5%, giving Sion a 9.1 percentage point advantage. Game phase dynamics play a critical role here: Rengar controls the early laning stage, but Sion outscales as the game goes longer. The matchup shifts dramatically depending on game length — Rengar needs to press advantages before Sion reaches their power spikes, while Sion should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in sustain, where Sion leads by 1,290 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Sion has a strong advantage in this matchup. Rengar 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.

Rengar vs Sion Laning Phase Breakdown

Sion wins the laning phase against Rengar in League of Legends

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

Farming
3.1Rengar
3.3Sion
Rengar and Sion farm at nearly identical rates in this matchup, with only a 0.2 CS/min difference. Neither champion holds a meaningful farming advantage, so lane dominance will come from trading and jungle interaction rather than CS leads.
Damage
1,042Rengar
634Sion
Rengar heavily out-damages Sion by 408 DMG/min, dominating both short trades and all-in fights. Sion should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Rengar's sustained damage advantage take over.
Economy
15,400Rengar
13,016Sion
Rengar generates a commanding 2,384 more gold per game than Sion. This substantial economic advantage means Rengar consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Sion should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.7Rengar
1.1Sion
Sion provides 0.4 seconds more crowd control per minute than Rengar, offering better gank setup potential and slightly more team fight utility. This CC advantage helps Sion coordinate with their jungler and control the pace of skirmishes.
Sustain
1,251Rengar
2,541Sion
Sion vastly out-sustains Rengar, healing and mitigating 1,290 more damage per minute. This massive durability gap means Sion can absorb significant punishment and remain in lane while Rengar is forced to recall. Building grievous wounds early is essential for Rengar, and focusing on burst trade patterns rather than sustained fights is critical.

Best Rengar Build Against Sion

Ionian Boots of Lucidity is the optimal boots choice against Sion, providing the mobility and stats Rengar needs most in this matchup. The top-performing core items for Rengar against Sion are Voltaic Cyclosword, Profane Hydra and Edge of Night. This combination gives Rengar an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 2 games — well above average and making it the top item path against Sion. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Rengar vs Sion matchup.

Early Game vs Late Game

Early Game
Rengar
50.0%
+0.0% advantage
Rengar early game win rateRengar50.0%
Sion early game win rateSion50.0%
Late Game
Sion
57.1%
+14.3% advantage
Rengar late game win rateRengar42.9%
Sion late game win rateSion57.1%

The early game (first 15 minutes) is a toss-up between Rengar and Sion, with Rengar holding a razor-thin 50.0% win rate edge (+0.0%). Individual skill and jungle proximity will matter more than champion advantage in the early laning phase.

Sion is far superior in the late game (25+ minutes), boasting a 57.1% win rate — 14.3 points above Rengar. Extended games heavily favor Sion, whose kit and scaling make them a dominant force in team fights and objective control.

The power dynamics shift as the game progresses — Rengar has the edge early, but Sion 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 Rengar Runes Against Sion

Inspiration rune tree - Rengar primary runes vs SionInspiration
First Strike - best Rengar rune vs SionCash Back - best Rengar rune vs SionTriple Tonic - best Rengar rune vs SionCosmic Insight - best Rengar rune vs Sion
Domination rune tree - Rengar secondary runes vs SionDomination
Sudden Impact - best Rengar rune vs SionUltimate Hunter - best Rengar rune vs Sion
100.0% WR

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


Rengar matchup data for League of Legends patch 26.11. The table below shows Rengar'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 Rengar build, runes, laning stats, and early vs late game analysis for that specific matchup.

Rengar matchup win rates and stats in League of Legends patch 26.11
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
41.21%1650.982113,67325.3%54.4%
47.10%1380.973613,08248.3%46.3%
36.92%1301.177212,65439.3%34.8%
51.20%1251.074113,65255.0%47.7%
43.55%1241.073613,14848.1%40.0%
38.84%1211.077612,91026.0%47.9%
38.38%991.079313,52633.3%41.7%
38.78%981.174912,52232.6%43.6%
53.06%980.982614,28760.0%49.2%
42.86%911.179913,75741.0%44.2%
48.28%871.174713,71838.5%56.3%
48.81%840.983613,81254.5%45.1%
56.58%761.079813,34266.7%48.8%
44.44%721.074513,08441.2%47.4%
46.97%661.272112,61137.5%55.9%
51.72%581.184714,34550.0%53.3%
48.21%561.188914,27063.6%38.2%
49.06%531.386213,92642.9%53.1%
32.08%530.978211,79527.6%37.5%
52.00%501.083014,12744.4%56.3%
36.17%471.072712,70328.6%42.3%
39.13%461.176112,92543.5%34.8%
61.36%441.375512,23858.3%65.0%
47.73%440.989514,08040.0%51.7%
59.52%421.177813,44556.3%61.5%
45.00%401.078811,71133.3%62.5%
55.00%401.091713,40043.8%62.5%
41.03%390.871212,37353.3%33.3%
58.33%361.493513,24761.1%55.6%
55.56%361.887314,32656.3%55.0%
42.86%351.185113,75250.0%38.1%
34.29%351.071512,28622.7%53.9%
42.86%351.087213,40140.0%45.0%
51.52%330.976612,55247.1%56.3%
40.63%321.181713,00637.5%43.8%
43.33%302.080613,26743.8%42.9%
51.72%291.174814,13860.0%47.4%
41.38%291.078312,81631.3%53.9%
46.43%281.872912,64633.3%56.3%
38.46%263.079513,85950.0%33.3%
64.00%253.079414,22880.0%53.3%
54.17%241.379013,48760.0%50.0%
26.09%231.365312,14018.2%33.3%
54.55%221.291114,60450.0%55.6%
50.00%223.11,04813,91542.9%53.3%
35.00%201.185613,43922.2%45.5%
55.00%202.173912,13450.0%62.5%
57.89%192.282412,62150.0%66.7%
44.44%181.187214,37850.0%42.9%
50.00%182.495712,32933.3%66.7%
61.11%182.082412,19885.7%45.5%
55.56%181.077614,01650.0%60.0%
35.29%171.074413,92150.0%22.2%
50.00%142.785113,75957.1%42.9%
57.14%142.590213,03650.0%66.7%
46.15%131.793014,07233.3%57.1%
23.08%132.468111,74514.3%33.3%
69.23%133.072112,657100.0%50.0%
66.67%122.683613,66860.0%71.4%
33.33%121.663611,50533.3%33.3%
41.67%125.582312,17633.3%44.4%
58.33%120.981312,63350.0%66.7%
63.64%114.089612,50271.4%50.0%
45.45%113.11,04215,40050.0%42.9%
72.73%111.676913,88280.0%66.7%
63.64%111.077913,90350.0%80.0%
30.00%105.592512,20625.0%33.3%
66.67%91.065712,47175.0%60.0%
25.00%83.772011,75625.0%25.0%
50.00%84.25769,50450.0%50.0%
37.50%83.374610,73816.7%100.0%
62.50%82.472812,88960.0%66.7%
42.86%70.764312,35350.0%33.3%
28.57%75.256710,6200.0%50.0%
14.29%72.885911,72125.0%0.0%
42.86%75.178611,22125.0%66.7%
42.86%75.268911,84025.0%66.7%
50.00%61.859610,95125.0%100.0%
50.00%66.866011,53433.3%66.7%
50.00%65.11,36118,557100.0%40.0%
33.33%60.960911,54825.0%50.0%
66.67%64.11,07318,0690.0%80.0%
50.00%64.792912,7810.0%75.0%
66.67%65.37298,76950.0%100.0%
66.67%65.01,16815,66350.0%75.0%
80.00%54.97938,856100.0%66.7%
60.00%51.357111,6220.0%75.0%
40.00%55.566710,41550.0%0.0%
40.00%52.91,04712,82933.3%50.0%
40.00%51.981810,6700.0%50.0%
80.00%56.199712,26666.7%100.0%

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Rengar vs Sion - Frequently Asked Questions

How does Rengar do against Sion in League of Legends?

Sion wins the Rengar vs Sion matchup with a 54.5% win rate compared to Rengar's 45.5%, a 9.1 percentage point difference. This data is based on 11 recent ranked games in patch 26.11.

How does Rengar do against Sion in the early game?

In the early game, Rengar has the advantage against Sion with a 50.0% win rate versus 50.0%. Rengar players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Rengar do against Sion in the late game?

In the late game, Sion takes over the Rengar vs Sion matchup with a 57.1% win rate compared to 42.9%. Sion scales better into team fights and objective contests after 25 minutes.

Who wins the Rengar vs Sion matchup?

Sion wins the matchup against Rengar with a 54.5% win rate in League of Legends patch 26.11. The 9.1 percentage point advantage means Sion is significantly favored in this lane matchup based on 11 games analyzed.

What is the best Rengar build against Sion?

The best Rengar build against Sion includes Voltaic Cyclosword, Profane Hydra, Edge of Night with Ionian Boots of Lucidity. This build achieves a 100.0% win rate in the matchup. Check the matchup breakdown above for the full item path and build order.

What are the best Rengar runes against Sion?

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

Does Rengar counter Sion?

No, Rengar struggles against Sion with only a 45.5% win rate. Sion has the advantage in this matchup. Rengar players should focus on safe farming and avoiding extended trades to minimize Sion's lead.

How do I play Rengar against Sion?

When playing Rengar against Sion, play cautiously and avoid Sion's power spikes. Look for jungle assistance and team-dependent plays since Sion has the statistical advantage at most stages. Use the matchup-specific build and runes above to optimize your chances.