Mordekaiser - League of Legends Champion
Win Rate
50.6%
Pick Rate
4.6%

Mordekaiservs Kai'Sa

BFighterMage
Patch26.5
Matches469,660
LaneAll Lanes
TierAll Tiers
Last UpdatedMar 12, 2026
MethodologyData Methodology

Mordekaiser vs Kai'Sa is a decisive matchup in LoL patch 26.5. Mordekaiser wins with a 60.0% win rate (+20.0%) over Kai'Sa based on 5 games. Mordekaiser holds the advantage in both the early and late game. Below you'll find the best Mordekaiser build, runes, laning stats, and strategies for the Mordekaiser vs Kai'Sa matchup.

Mordekaiser Matchup Breakdown

Use the dropdown to select an opponent and see a detailed breakdown of how Mordekaiser 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
Kai'Sa - 60.0% win rateKai'Sa(60.0%)
Mordekaiser - 60.0% win rate in this matchup
Mordekaiser
60.0% WR
VS
Kai'Sa vs Mordekaiser matchup - 40.0% win rate
Kai'Sa
40.0% WR

Who Wins the Mordekaiser vs Kai'Sa Matchup?

Mordekaiser wins the Mordekaiser vs Kai'Sa matchup
Winner
Mordekaiser
Matches: 5
60.0%
Win Rate
40.0%
4.3
CS / min
4.8
492
DMG / min
632
9,004
Gold / game
10,117
329
Heal / min
222
875
DMG Mitigated / min
413
0.3
CC / min
0.1
50.0%
Early Game WR
50.0%
100.0%
Late Game WR
0.0%

Mordekaiser vs Kai'Sa Matchup Summary

The Mordekaiser vs Kai'Sa matchup is a decisive matchup in League of Legends ranked play. Based on 5 recent matches analyzed, Mordekaiser wins with a 60.0% win rate compared to Kai'Sa's 40.0%, giving Mordekaiser a 20.0 percentage point advantage. Mordekaiser dominates at every stage — from early laning through late game team fights. This consistent advantage makes it difficult for Kai'Sa players to find favorable windows, so team-dependent strategies and avoiding solo confrontations are essential. The most significant statistical gap is in crowd control, where Mordekaiser leads by 0.2s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Mordekaiser players can confidently pick into Kai'Sa and play aggressively from level 1. Look to establish lane dominance early through favorable trades and zone Kai'Sa away from CS whenever possible. Understanding these matchup dynamics is essential for champion select decisions and in-game strategy when facing this lane opponent.

Mordekaiser vs Kai'Sa Laning Phase Breakdown

Kai'Sa wins the laning phase against Mordekaiser in League of Legends

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

Farming
4.3Mordekaiser
4.8Kai'Sa
Kai'Sa edges out Mordekaiser by 0.6 CS per minute — a moderate farming advantage that adds up to roughly 9 CS over a 15-minute laning phase. This translates to earlier component purchases and slightly faster power spikes for Kai'Sa.
Damage
492Mordekaiser
632Kai'Sa
Kai'Sa heavily out-damages Mordekaiser by 140 DMG/min, dominating both short trades and all-in fights. Mordekaiser should avoid extended combat and instead focus on burst trade patterns — short engages followed by immediate disengagement — to avoid letting Kai'Sa's sustained damage advantage take over.
Economy
9,004Mordekaiser
10,117Kai'Sa
Kai'Sa generates a commanding 1,113 more gold per game than Mordekaiser. This substantial economic advantage means Kai'Sa consistently reaches key item breakpoints earlier, creating a compounding lead that grows throughout the game. Mordekaiser should focus on cost-effective item choices and avoid unnecessary deaths to prevent falling further behind.
Utility
0.3Mordekaiser
0.1Kai'Sa
Both Mordekaiser and Kai'Sa 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
1,203Mordekaiser
635Kai'Sa
Mordekaiser vastly out-sustains Kai'Sa, healing and mitigating 569 more damage per minute. This massive durability gap means Mordekaiser can absorb significant punishment and remain in lane while Kai'Sa is forced to recall. Building grievous wounds early is essential for Kai'Sa, and focusing on burst trade patterns rather than sustained fights is critical.

Best Mordekaiser Build Against Kai'Sa

Plated Steelcaps is the optimal boots choice against Kai'Sa, providing the mobility and stats Mordekaiser needs most in this matchup. The top-performing core items for Mordekaiser against Kai'Sa are Liandry's Torment, Riftmaker and Rylai's Crystal Scepter. This combination gives Mordekaiser an effective balance of damage, survivability, and utility for the matchup. This build performs exceptionally well, achieving a 100.0% win rate across 1 games — well above average and making it the top item path against Kai'Sa. Adjustments may be needed based on team compositions and game state, but this build provides the strongest foundation for the Mordekaiser vs Kai'Sa matchup.

Early Game vs Late Game

Early Game
Mordekaiser
50.0%
+0.0% advantage
Mordekaiser early game win rateMordekaiser50.0%
Kai'Sa early game win rateKai'Sa50.0%
Late Game
Mordekaiser
100.0%
+100.0% advantage
Mordekaiser late game win rateMordekaiser100.0%
Kai'Sa late game win rateKai'Sa0.0%

The early game (first 15 minutes) is a toss-up between Mordekaiser and Kai'Sa, with Mordekaiser 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.

Mordekaiser is far superior in the late game (25+ minutes), boasting a 100.0% win rate — 100.0 points above Kai'Sa. Extended games heavily favor Mordekaiser, whose kit and scaling make them a dominant force in team fights and objective control.

Mordekaiser holds the advantage at every stage of the game, making this a consistently favorable matchup from lane through late game team fights. Kai'Sa players should look for outplays, team-dependent strategies, and picks rather than relying on scaling to win this matchup.

Best Mordekaiser Runes Against Kai'Sa

Precision rune tree - Mordekaiser primary runes vs Kai'SaPrecision
Conqueror - best Mordekaiser rune vs Kai'SaTriumph - best Mordekaiser rune vs Kai'SaLegend: Haste - best Mordekaiser rune vs Kai'SaLast Stand - best Mordekaiser rune vs Kai'Sa
Inspiration rune tree - Mordekaiser secondary runes vs Kai'SaInspiration
Approach Velocity - best Mordekaiser rune vs Kai'SaMagical Footwear - best Mordekaiser rune vs Kai'Sa
100.0% WR

Running Precision primary with Inspiration secondary allows Mordekaiser to press their advantage against Kai'Sa, amplifying the strengths that make this a favorable matchup.


Mordekaiser matchup data for League of Legends patch 26.5. The table below shows Mordekaiser'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 Mordekaiser build, runes, laning stats, and early vs late game analysis for that specific matchup.

Mordekaiser matchup win rates and stats in League of Legends patch 26.5
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
50.63%2376.290412,11046.4%53.6%
53.06%1475.899811,86156.5%50.0%
56.64%1435.786811,57755.9%57.3%
52.67%1316.31,21111,74158.3%47.9%
46.09%1155.388311,26042.4%51.0%
46.49%1145.91,02911,86752.3%42.9%
43.75%1126.191611,70432.6%51.5%
46.30%1086.080611,12348.0%44.8%
59.05%1056.194312,51867.5%53.9%
50.49%1036.41,00411,66559.2%42.6%
47.06%1025.992212,10552.2%42.9%
52.48%1015.673811,02157.7%46.9%
51.52%995.61,00611,69744.7%57.7%
59.79%976.183012,11461.4%58.5%
61.05%955.81,06612,06063.6%58.8%
43.01%936.282512,04836.6%48.1%
55.56%905.790411,73548.8%61.7%
51.69%895.681411,72953.5%50.0%
60.23%886.11,05912,70257.1%62.3%
45.00%806.188411,87936.4%51.1%
48.00%756.787312,32351.7%45.6%
54.79%735.81,11511,27255.6%54.0%
38.03%715.781011,22546.9%30.8%
45.71%706.177611,14548.6%42.9%
54.41%686.21,15611,43951.3%58.6%
50.00%586.084511,67950.0%50.0%
66.67%546.370811,65872.0%62.1%
50.94%536.278311,28158.6%41.7%
50.00%525.987712,29950.0%50.0%
51.02%496.186311,93350.0%51.6%
34.78%465.672310,99438.9%32.1%
34.78%465.572611,87233.3%35.3%
45.65%463.674711,77456.0%33.3%
53.33%455.61,06813,87950.0%54.8%
53.33%456.183712,09252.9%53.6%
54.55%446.41,00712,35050.0%58.3%
54.76%425.676212,27160.0%50.0%
57.14%426.694511,87355.0%59.1%
46.15%394.776410,42040.9%52.9%
58.97%395.883412,00042.9%68.0%
56.76%375.991712,09923.1%75.0%
41.67%365.276811,19547.1%36.8%
48.57%353.671213,20450.0%47.8%
45.16%316.284912,75335.3%57.1%
40.00%305.970710,68533.3%44.4%
46.43%282.981012,34846.1%46.7%
60.00%252.589913,30660.0%60.0%
48.00%255.772712,70560.0%40.0%
52.38%215.595112,55450.0%53.3%
42.11%190.966111,52150.0%33.3%
57.89%192.998615,04450.0%61.5%
31.58%191.966912,17425.0%36.4%
38.89%185.770111,67733.3%41.7%
55.56%184.892812,45588.9%22.2%
38.89%184.168912,63133.3%44.4%
44.44%185.391414,96250.0%43.8%
50.00%186.077411,86662.5%40.0%
52.94%172.493313,48042.9%60.0%
64.71%172.478911,34466.7%62.5%
43.75%163.287613,56457.1%33.3%
40.00%155.859411,21544.4%33.3%
57.14%141.682114,116100.0%45.5%
64.29%145.567410,72075.0%50.0%
71.43%146.68399,99977.8%60.0%
46.15%131.079113,86960.0%37.5%
61.54%132.896913,50040.0%75.0%
50.00%123.11,06012,32957.1%40.0%
33.33%125.682912,20560.0%14.3%
50.00%123.672613,50450.0%50.0%
66.67%123.087913,11266.7%66.7%
50.00%122.864411,45060.0%42.9%
54.55%114.11,08513,95733.3%62.5%
36.36%112.066911,54250.0%20.0%
63.64%111.478212,61283.3%40.0%
36.36%115.382810,08237.5%33.3%
30.00%102.774911,69060.0%0.0%
40.00%101.282111,21866.7%0.0%
20.00%105.684412,31850.0%12.5%
50.00%106.492913,835100.0%37.5%
66.67%96.673511,556100.0%40.0%
77.78%96.777212,40060.0%100.0%
66.67%96.280510,48880.0%50.0%
55.56%94.358910,51560.0%50.0%
25.00%81.466810,87420.0%33.3%
87.50%84.581111,552100.0%66.7%
75.00%82.069910,950100.0%33.3%
50.00%81.191314,66825.0%75.0%
75.00%86.698414,259100.0%60.0%
50.00%86.069012,124100.0%20.0%
50.00%86.291912,20166.7%40.0%
37.50%84.896811,80240.0%33.3%
50.00%85.569312,02966.7%40.0%
62.50%85.056810,80275.0%50.0%
71.43%71.670712,19466.7%75.0%
42.86%72.971511,61025.0%66.7%
71.43%71.370914,516100.0%60.0%
50.00%64.862610,93950.0%50.0%
0.00%62.01,01514,1500.0%0.0%
66.67%61.780510,80850.0%100.0%
33.33%66.169413,8880.0%33.3%
50.00%65.455311,63466.7%33.3%
50.00%66.881710,60266.7%33.3%
20.00%54.553110,42750.0%0.0%
100.00%55.472211,718100.0%100.0%
60.00%54.297314,4530.0%60.0%
60.00%54.34929,00450.0%100.0%
0.00%54.16579,6010.0%0.0%

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Mordekaiser vs Kai'Sa - Frequently Asked Questions

How does Mordekaiser do against Kai'Sa in League of Legends?

Mordekaiser wins the Mordekaiser vs Kai'Sa matchup with a 60.0% win rate compared to Kai'Sa's 40.0%, a 20.0 percentage point difference. This data is based on 5 recent ranked games in patch 26.5.

How does Mordekaiser do against Kai'Sa in the early game?

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

How does Mordekaiser do against Kai'Sa in the late game?

In the late game, Mordekaiser takes over the Mordekaiser vs Kai'Sa matchup with a 100.0% win rate compared to 0.0%. Mordekaiser scales better into team fights and objective contests after 25 minutes.

Who wins the Mordekaiser vs Kai'Sa matchup?

Mordekaiser wins the matchup against Kai'Sa with a 60.0% win rate in League of Legends patch 26.5. The 20.0 percentage point advantage means Mordekaiser is significantly favored in this lane matchup based on 5 games analyzed.

What is the best Mordekaiser build against Kai'Sa?

The best Mordekaiser build against Kai'Sa includes Liandry's Torment, Riftmaker, Rylai's Crystal Scepter with Plated Steelcaps. 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 Mordekaiser runes against Kai'Sa?

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

Does Mordekaiser counter Kai'Sa?

Yes, Mordekaiser has a favorable matchup against Kai'Sa with a 60.0% win rate. Mordekaiser strongly counters Kai'Sa in lane based on current patch 26.5 data.

How do I play Mordekaiser against Kai'Sa?

When playing Mordekaiser against Kai'Sa, 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.