Jayce - League of Legends Champion
Win Rate
42.0%
Pick Rate
1.4%

Jaycevs Cassiopeia

FFighterMarksman
Patch26.14
Matches81,210
LaneAll Lanes
TierAll Tiers
Last UpdatedJul 17, 2026
MethodologyData Methodology

Jayce vs Cassiopeia is a decisive matchup in LoL patch 26.14. Cassiopeia wins with a 100.0% win rate (+100.0%) over Jayce based on 1 games. Cassiopeia wins the early laning phase while Jayce scales better into the late game. Below you'll find the best Jayce build, runes, laning stats, and strategies for the Jayce vs Cassiopeia matchup.

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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
Jayce - 0.0% win rate in this matchup
Jayce
0.0% WR
VS
Cassiopeia vs Jayce matchup - 100.0% win rate
Cassiopeia
100.0% WR

Who Wins the Jayce vs Cassiopeia Matchup?

Cassiopeia wins the Jayce vs Cassiopeia matchup
Winner
Cassiopeia
Matches: 1
0.0%
Win Rate
100.0%
7.4
CS / min
5.6
772
DMG / min
967
10,121
Gold / game
10,498
154
Heal / min
181
638
DMG Mitigated / min
529
0.4
CC / min
1.3
0.0%
Early Game WR
100.0%
0.0%
Late Game WR
0.0%

Jayce vs Cassiopeia Matchup Summary

The Jayce vs Cassiopeia matchup is a decisive matchup in League of Legends ranked play. Based on 1 recent matches analyzed, Cassiopeia wins with a 100.0% win rate compared to Jayce's 0.0%, giving Cassiopeia a 100.0 percentage point advantage. Game phase dynamics play a critical role here: Cassiopeia controls the early laning stage, but Jayce outscales as the game goes longer. The matchup shifts dramatically depending on game length — Cassiopeia needs to press advantages before Jayce reaches their power spikes, while Jayce should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Cassiopeia leads by 0.9s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Cassiopeia has a strong advantage in this matchup. Jayce players should play defensively, prioritize safe farming under tower, and look for opportunities created by jungle pressure or Cassiopeia 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.

Jayce vs Cassiopeia Laning Phase Breakdown

Cassiopeia wins the laning phase against Jayce in League of Legends

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

Farming
7.4Jayce
5.6Cassiopeia
Jayce significantly out-farms Cassiopeia by 1.8 CS per minute, accumulating an estimated 27 CS lead by mid game. This substantial farming gap gives Jayce a major gold advantage and earlier item completions. Cassiopeia players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
772Jayce
967Cassiopeia
Cassiopeia heavily out-damages Jayce by 195 DMG/min, dominating both short trades and all-in fights. Jayce should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Cassiopeia's sustained damage advantage take over.
Economy
10,121Jayce
10,498Cassiopeia
Cassiopeia earns 377 more gold per game than Jayce, equivalent to roughly one additional component item. This economic edge comes from a combination of better farming, kill participation, and objective control, giving Cassiopeia slightly faster item completions.
Utility
0.4Jayce
1.3Cassiopeia
Cassiopeia brings significantly more crowd control than Jayce, with 0.9 more seconds of CC per minute. This large utility gap makes Cassiopeia far more valuable in setting up jungle ganks, controlling objectives, and locking down targets in team fights. Jayce should invest in tenacity and position carefully to avoid being chain-CC'd.
Sustain
793Jayce
710Cassiopeia
Jayce heals and mitigates 83 more damage per minute than Cassiopeia, providing moderate extra durability. This sustain edge allows Jayce to stay in lane longer between recalls and gradually win extended wars of attrition. Consider building early grievous wounds if playing Cassiopeia.

Best Jayce Build Against Cassiopeia

Ionian Boots of Lucidity is the optimal boots choice against Cassiopeia, providing the mobility and stats Jayce needs most in this matchup. The top-performing core items for Jayce against Cassiopeia are Serpent's Fang, Youmuu's Ghostblade and Muramana. This combination gives Jayce 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 Jayce vs Cassiopeia matchup.

Early Game vs Late Game

Early Game
Cassiopeia
100.0%
+100.0% advantage
Jayce early game win rateJayce0.0%
Cassiopeia early game win rateCassiopeia100.0%
Late Game
Jayce
0.0%
+0.0% advantage
Jayce late game win rateJayce0.0%
Cassiopeia late game win rateCassiopeia0.0%

Cassiopeia dominates the early game (first 15 minutes) with a commanding 100.0% win rate — a 100.0 percentage point lead over Jayce. This lopsided early game means Cassiopeia 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 Jayce at 0.0% win rate — only 0.0 points ahead of Cassiopeia. Team fight execution and macro play determine the winner at this stage, not champion matchup advantage.

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

Precision rune tree - Jayce primary runes vs CassiopeiaPrecision
Conqueror - best Jayce rune vs CassiopeiaPresence of Mind - best Jayce rune vs CassiopeiaLegend: Alacrity - best Jayce rune vs CassiopeiaLast Stand - best Jayce rune vs Cassiopeia
Inspiration rune tree - Jayce secondary runes vs CassiopeiaInspiration
Biscuit Delivery - best Jayce rune vs CassiopeiaMagical Footwear - best Jayce rune vs Cassiopeia
0.0% WR

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


Jayce matchup data for League of Legends patch 26.14. 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 26.14
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
38.46%137.282511,05633.3%42.9%
45.45%116.895412,08860.0%33.3%
40.00%106.775210,04550.0%25.0%
57.14%76.69069,69166.7%50.0%
16.67%67.058310,1750.0%25.0%
16.67%67.092311,615100.0%0.0%
20.00%57.386812,5600.0%50.0%
40.00%57.11,10310,97550.0%33.3%
20.00%56.06908,0290.0%50.0%
100.00%47.61,23615,579100.0%100.0%
66.67%37.099510,99550.0%100.0%
0.00%15.472015,7450.0%0.0%
0.00%16.581212,9130.0%0.0%
0.00%17.477210,1210.0%0.0%

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Jayce vs Cassiopeia - Frequently Asked Questions

How does Jayce do against Cassiopeia in League of Legends?

Cassiopeia wins the Jayce vs Cassiopeia matchup with a 100.0% win rate compared to Jayce's 0.0%, a 100.0 percentage point difference. This data is based on 1 recent ranked games in patch 26.14.

How does Jayce do against Cassiopeia in the early game?

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

How does Jayce do against Cassiopeia in the late game?

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

Who wins the Jayce vs Cassiopeia matchup?

Cassiopeia wins the matchup against Jayce with a 100.0% win rate in League of Legends patch 26.14. The 100.0 percentage point advantage means Cassiopeia is significantly favored in this lane matchup based on 1 games analyzed.

What is the best Jayce build against Cassiopeia?

The best Jayce build against Cassiopeia includes Serpent's Fang, Youmuu's Ghostblade, Muramana with Ionian Boots of Lucidity. Check the matchup breakdown above for the full item path and build order.

What are the best Jayce runes against Cassiopeia?

The best Jayce runes against Cassiopeia use the Precision primary tree with Inspiration secondary. This rune setup achieves a 0.0% win rate in the Jayce vs Cassiopeia matchup. See the full rune breakdown in the matchup comparison above.

Does Jayce counter Cassiopeia?

No, Jayce struggles against Cassiopeia with only a 0.0% win rate. Cassiopeia has the advantage in this matchup. Jayce players should focus on safe farming and avoiding extended trades to minimize Cassiopeia's lead.

How do I play Jayce against Cassiopeia?

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