Jayce - League of Legends Champion
Win Rate
48.2%
Pick Rate
1.5%

Jaycevs Sion

FFighterMarksman
Patch26.7
Matches949,984
LaneAll Lanes
TierAll Tiers
Last UpdatedApr 18, 2026
MethodologyData Methodology

Jayce vs Sion is a decisive matchup in LoL patch 26.7. Jayce wins with a 58.1% win rate (+16.1%) over Sion based on 31 games. Jayce wins the early laning phase while Sion scales better into the late game. Below you'll find the best Jayce build, runes, laning stats, and strategies for the Jayce vs Sion matchup.

Jayce Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Jayce 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 - 58.1% win rateSion(58.1%)
Jayce - 58.1% win rate in this matchup
Jayce
58.1% WR
VS
Sion vs Jayce matchup - 41.9% win rate
Sion
41.9% WR

Who Wins the Jayce vs Sion Matchup?

Jayce wins the Jayce vs Sion matchup
Winner
Jayce
Matches: 31
58.1%
Win Rate
41.9%
7.4
CS / min
7.1
1,200
DMG / min
691
12,708
Gold / game
11,608
198
Heal / min
354
835
DMG Mitigated / min
2,597
0.9
CC / min
1.4
66.7%
Early Game WR
33.3%
46.1%
Late Game WR
53.9%

Jayce vs Sion Matchup Summary

The Jayce vs Sion matchup is a decisive matchup in League of Legends ranked play. Based on 31 recent matches analyzed, Jayce wins with a 58.1% win rate compared to Sion's 41.9%, giving Jayce a 16.1 percentage point advantage. Game phase dynamics play a critical role here: Jayce controls the early laning stage, but Sion outscales as the game goes longer. The matchup shifts dramatically depending on game length — Jayce 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 1,918 HP/min — a difference that heavily influences the outcome of trades and skirmishes. Jayce players can confidently pick into Sion and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Sion away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Jayce vs Sion Laning Phase Breakdown

Jayce wins the laning phase against Sion in League of Legends

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

Farming
7.4Jayce
7.1Sion
Jayce edges out Sion by 0.3 CS per minute — a moderate farming advantage that adds up to roughly 5 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Jayce.
Damage
1,200Jayce
691Sion
Jayce heavily out-damages Sion by 509 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 Jayce's sustained damage advantage take over.
Economy
12,708Jayce
11,608Sion
Jayce generates a commanding 1,100 more gold per game than Sion. This substantial economic advantage means Jayce 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
0.9Jayce
1.4Sion
Sion provides 0.5 seconds more crowd control per minute than Jayce, 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
1,033Jayce
2,951Sion
Sion vastly out-sustains Jayce, healing and mitigating 1,918 more damage per minute. This massive durability gap means Sion can absorb significant punishment and remain in lane while Jayce is forced to recall. Building grievous wounds early is essential for Jayce, and focusing on burst trade patterns rather than sustained fights is critical.

Best Jayce Build Against Sion

Mercury's Treads is the optimal boots choice against Sion, providing the mobility and stats Jayce needs most in this matchup. The top-performing core items for Jayce against Sion are Serpent's Fang, Edge of Night and Black Cleaver. This combination gives Jayce 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 Jayce vs Sion matchup.

Early Game vs Late Game

Early Game
Jayce
66.7%
+33.3% advantage
Jayce early game win rateJayce66.7%
Sion early game win rateSion33.3%
Late Game
Sion
53.9%
+7.7% advantage
Jayce late game win rateJayce46.1%
Sion late game win rateSion53.9%

Jayce dominates the early game (first 15 minutes) with a commanding 66.7% win rate — a 33.3 percentage point lead over Sion. This lopsided early game means Jayce can dictate the pace of the lane from level 1, controlling trades, wave state, and river priority.

Sion is far superior in the late game (25+ minutes), boasting a 53.9% win rate — 7.7 points above Jayce. Extended games heavily favor Sion, whose kit and scaling make them a dominant force in team fights and objective control.

This matchup features a dramatic power shift: Jayce must aggressively press their early advantage and close out the game before Sion reaches their scaling breakpoints. If Sion 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 Jayce Runes Against Sion

Inspiration rune tree - Jayce primary runes vs SionInspiration
First Strike - best Jayce rune vs SionCash Back - best Jayce rune vs SionTriple Tonic - best Jayce rune vs SionCosmic Insight - best Jayce rune vs Sion
Precision rune tree - Jayce secondary runes vs SionPrecision
Cut Down - best Jayce rune vs SionPresence of Mind - best Jayce rune vs Sion
100.0% WR

Running Inspiration primary with Precision secondary allows Jayce to press their advantage against Sion, amplifying the strengths that make this a favorable matchup.


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

Jayce 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
48.33%607.11,02913,91443.5%51.4%
45.45%446.777112,57552.9%40.7%
58.33%367.01,06712,52271.4%40.0%
50.00%346.891011,74462.5%38.9%
58.06%317.41,20012,70866.7%46.1%
64.52%317.197513,39158.8%71.4%
48.28%295.498113,19540.0%57.1%
46.43%287.496313,36645.5%47.1%
57.69%266.11,03811,39760.0%54.5%
34.62%266.294110,93833.3%40.0%
60.00%256.61,00911,79561.5%58.3%
54.17%247.988212,14663.6%46.1%
58.33%247.196113,40563.6%53.9%
50.00%245.592014,41342.9%52.9%
70.83%247.489712,14764.3%80.0%
30.43%234.31,28214,94757.1%18.8%
45.45%226.994113,65242.9%46.7%
31.82%225.993312,6100.0%43.8%
47.62%216.891511,55545.5%50.0%
50.00%205.588513,26622.2%72.7%
52.63%197.190910,78033.3%85.7%
38.89%184.387213,41920.0%62.5%
50.00%187.51,05413,64353.9%40.0%
38.89%186.366111,93260.0%12.5%
66.67%187.31,00214,69883.3%58.3%
55.56%181.396115,55162.5%50.0%
58.82%176.21,00312,22350.0%66.7%
52.94%176.188311,51363.6%33.3%
56.25%167.21,05413,47150.0%66.7%
46.67%153.391014,17050.0%44.4%
40.00%151.996514,95150.0%28.6%
60.00%155.399213,74657.1%62.5%
60.00%156.295610,64150.0%80.0%
73.33%153.690314,12887.5%57.1%
42.86%143.988812,91428.6%57.1%
71.43%147.21,02512,64072.7%66.7%
50.00%147.089110,47145.5%66.7%
23.08%136.687412,1250.0%50.0%
46.15%137.71,22813,47566.7%28.6%
23.08%131.887913,65725.0%20.0%
38.46%136.996611,85225.0%60.0%
66.67%121.31,07115,74850.0%83.3%
25.00%127.21,08512,66616.7%33.3%
75.00%124.41,00714,30960.0%85.7%
50.00%126.795412,48740.0%57.1%
33.33%122.592014,32850.0%16.7%
72.73%117.41,05312,02666.7%100.0%
63.64%111.51,13617,79333.3%75.0%
63.64%117.284912,48650.0%80.0%
36.36%117.182910,33525.0%66.7%
70.00%102.190013,67960.0%80.0%
70.00%107.077812,33480.0%60.0%
60.00%107.098713,18566.7%57.1%
50.00%107.289413,04550.0%50.0%
40.00%107.197413,99750.0%25.0%
50.00%103.681614,76850.0%50.0%
44.44%96.489911,55157.1%0.0%
33.33%93.081511,76533.3%33.3%
77.78%95.788311,86080.0%75.0%
55.56%96.180112,03966.7%33.3%
55.56%97.682912,67450.0%60.0%
22.22%91.084813,01614.3%50.0%
66.67%96.31,06512,579100.0%40.0%
66.67%97.088812,34762.5%100.0%
25.00%85.99128,68325.0%25.0%
75.00%87.192613,9960.0%85.7%
100.00%87.593812,456100.0%100.0%
37.50%87.392312,22640.0%33.3%
50.00%84.098413,12133.3%60.0%
62.50%87.09169,734100.0%0.0%
25.00%86.968911,51366.7%0.0%
37.50%86.81,10114,1440.0%42.9%
71.43%76.374612,028100.0%60.0%
42.86%75.899016,1670.0%42.9%
42.86%72.66457,90533.3%50.0%
42.86%71.662310,52420.0%100.0%
57.14%75.592913,55725.0%100.0%
71.43%71.386815,56850.0%100.0%
28.57%76.790312,92750.0%20.0%
71.43%77.577312,15275.0%66.7%
66.67%66.483512,11850.0%100.0%
50.00%61.492214,74966.7%33.3%
66.67%66.51,07913,554100.0%0.0%
66.67%61.81,13816,998100.0%33.3%
33.33%67.41,06312,06333.3%33.3%
33.33%67.484113,68933.3%33.3%
33.33%66.886612,69950.0%25.0%
83.33%63.577710,075100.0%50.0%
50.00%67.38657,62350.0%0.0%
83.33%66.998910,34783.3%0.0%
50.00%66.879911,52050.0%50.0%
20.00%52.11,10916,6350.0%25.0%
40.00%57.179311,45450.0%33.3%
60.00%51.178913,56950.0%66.7%
60.00%53.582811,40866.7%50.0%
60.00%51.21,01014,24475.0%0.0%
40.00%53.056311,75333.3%50.0%
40.00%56.494712,0320.0%66.7%
40.00%51.31,07316,3840.0%50.0%
40.00%51.71,37118,1030.0%66.7%
60.00%57.375112,48850.0%66.7%
60.00%51.41,02617,605100.0%50.0%

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Jayce vs Sion - Frequently Asked Questions

How does Jayce do against Sion in League of Legends?

Jayce wins the Jayce vs Sion matchup with a 58.1% win rate compared to Sion's 41.9%, a 16.1 percentage point difference. This data is based on 31 recent ranked games in patch 26.7.

How does Jayce do against Sion in the early game?

In the early game, Jayce has the advantage against Sion with a 66.7% win rate versus 33.3%. Jayce players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Jayce do against Sion in the late game?

In the late game, Sion takes over the Jayce vs Sion matchup with a 53.9% win rate compared to 46.1%. Sion scales better into team fights and objective contests after 25 minutes.

Who wins the Jayce vs Sion matchup?

Jayce wins the matchup against Sion with a 58.1% win rate in League of Legends patch 26.7. The 16.1 percentage point advantage means Jayce is significantly favored in this lane matchup based on 31 games analyzed.

What is the best Jayce build against Sion?

The best Jayce build against Sion includes Serpent's Fang, Edge of Night, Black Cleaver with Mercury's Treads. 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 Jayce runes against Sion?

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

Does Jayce counter Sion?

Yes, Jayce has a favorable matchup against Sion with a 58.1% win rate. Jayce strongly counters Sion in lane based on current patch 26.7 data.

How do I play Jayce against Sion?

When playing Jayce against Sion, 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.