Mordekaiser - League of Legends Champion
Win Rate
54.0%
Pick Rate
6.6%

Mordekaiservs Cassiopeia

SFighterMage
Patch26.14
Matches491,560
LaneAll Lanes
TierAll Tiers
Last UpdatedJul 23, 2026
MethodologyData Methodology

Mordekaiser vs Cassiopeia is a decisive matchup in LoL patch 26.14. Cassiopeia wins with a 77.8% win rate (+55.6%) over Mordekaiser based on 9 games. Cassiopeia wins the early laning phase while Mordekaiser scales better into the late game. Below you'll find the best Mordekaiser build, runes, laning stats, and strategies for the Mordekaiser vs Cassiopeia matchup.

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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
Mordekaiser - 22.2% win rate in this matchup
Mordekaiser
22.2% WR
VS
Cassiopeia vs Mordekaiser matchup - 77.8% win rate
Cassiopeia
77.8% WR

Who Wins the Mordekaiser vs Cassiopeia Matchup?

Cassiopeia wins the Mordekaiser vs Cassiopeia matchup
Winner
Cassiopeia
Matches: 9
22.2%
Win Rate
77.8%
5.5
CS / min
7.0
603
DMG / min
835
7,602
Gold / game
8,421
278
Heal / min
174
1,122
DMG Mitigated / min
428
0.3
CC / min
1.4
14.3%
Early Game WR
85.7%
50.0%
Late Game WR
50.0%

Mordekaiser vs Cassiopeia Matchup Summary

The Mordekaiser vs Cassiopeia matchup is a decisive matchup in League of Legends ranked play. Based on 9 recent matches analyzed, Cassiopeia wins with a 77.8% win rate compared to Mordekaiser's 22.2%, giving Cassiopeia a 55.6 percentage point advantage. Game phase dynamics play a critical role here: Cassiopeia controls the early laning stage, but Mordekaiser outscales as the game goes longer. The matchup shifts dramatically depending on game length — Cassiopeia needs to press advantages before Mordekaiser reaches their power spikes, while Mordekaiser should focus on safe farming and hitting key item breakpoints. The most significant statistical gap is in crowd control, where Cassiopeia leads by 1.0s CC/min — a difference that heavily influences the outcome of trades and skirmishes. Cassiopeia has a strong advantage in this matchup. Mordekaiser 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.

Mordekaiser vs Cassiopeia Laning Phase Breakdown

Cassiopeia wins the laning phase against Mordekaiser in League of Legends

Cassiopeia is favored during the laning phase against Mordekaiser, winning 4 out of 5 key stat categories. Cassiopeia holds advantages in farming, damage, gold income and crowd control, making them the stronger laner in this matchup.

Farming
5.5Mordekaiser
7.0Cassiopeia
Cassiopeia significantly out-farms Mordekaiser by 1.4 CS per minute, accumulating an estimated 21 CS lead by mid game. This substantial farming gap gives Cassiopeia a major gold advantage and earlier item completions. Mordekaiser players should prioritize wave management techniques like freezing near tower and using abilities efficiently to minimize the deficit.
Damage
603Mordekaiser
835Cassiopeia
Cassiopeia heavily out-damages Mordekaiser by 232 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 Cassiopeia's sustained damage advantage take over.
Economy
7,602Mordekaiser
8,421Cassiopeia
Cassiopeia generates a commanding 818 more gold per game than Mordekaiser. This substantial economic advantage means Cassiopeia 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
1.4Cassiopeia
Cassiopeia brings significantly more crowd control than Mordekaiser, with 1.0 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. Mordekaiser should invest in tenacity and position carefully to avoid being chain-CC'd.
Sustain
1,401Mordekaiser
602Cassiopeia
Mordekaiser vastly out-sustains Cassiopeia, healing and mitigating 799 more damage per minute. This massive durability gap means Mordekaiser can absorb significant punishment and remain in lane while Cassiopeia is forced to recall. Building grievous wounds early is essential for Cassiopeia, and focusing on burst trade patterns rather than sustained fights is critical.

Best Mordekaiser Build Against Cassiopeia

Mercury's Treads is the optimal boots choice against Cassiopeia, providing the mobility and stats Mordekaiser needs most in this matchup. The top-performing core items for Mordekaiser against Cassiopeia are Riftmaker, Force of Nature and Rylai's Crystal Scepter. This combination gives Mordekaiser 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 Mordekaiser vs Cassiopeia matchup.

Early Game vs Late Game

Early Game
Cassiopeia
85.7%
+71.4% advantage
Mordekaiser early game win rateMordekaiser14.3%
Cassiopeia early game win rateCassiopeia85.7%
Late Game
Mordekaiser
50.0%
+0.0% advantage
Mordekaiser late game win rateMordekaiser50.0%
Cassiopeia late game win rateCassiopeia50.0%

Cassiopeia dominates the early game (first 15 minutes) with a commanding 85.7% win rate — a 71.4 percentage point lead over Mordekaiser. 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 Mordekaiser at 50.0% 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 Mordekaiser 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 Mordekaiser Runes Against Cassiopeia

Precision rune tree - Mordekaiser primary runes vs CassiopeiaPrecision
Conqueror - best Mordekaiser rune vs CassiopeiaTriumph - best Mordekaiser rune vs CassiopeiaLegend: Haste - best Mordekaiser rune vs CassiopeiaLast Stand - best Mordekaiser rune vs Cassiopeia
Resolve rune tree - Mordekaiser secondary runes vs CassiopeiaResolve
Bone Plating - best Mordekaiser rune vs CassiopeiaRevitalize - best Mordekaiser rune vs Cassiopeia
20.0% WR

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


Mordekaiser matchup data for League of Legends patch 26.14. 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 26.14
Opponent
Win Rate
Matches
CS/min
DMG/min
Gold/game
Early WR
Late WR
57.69%3126.396412,35757.9%57.6%
54.55%3085.898111,94353.9%54.9%
54.08%2335.788711,29755.0%53.4%
56.31%2066.190811,76561.2%52.9%
52.08%1926.086011,44347.1%56.1%
53.51%1855.687811,55253.3%53.6%
55.49%1826.197711,84257.8%54.0%
50.00%1745.979811,83953.9%47.7%
52.66%1695.898511,76054.3%51.5%
60.38%1595.487412,51563.3%59.1%
51.63%1536.01,25411,65650.0%52.6%
46.10%1415.785710,51444.4%47.4%
54.68%1395.81,02411,28261.4%50.0%
48.89%1356.182811,28852.5%46.0%
50.76%1325.883811,57654.5%48.0%
56.92%1305.91,12312,42557.8%56.5%
60.47%1295.793311,74459.2%61.3%
53.45%1166.085411,95260.0%49.3%
49.55%1116.21,01711,66161.9%42.0%
55.24%1056.21,06412,58962.9%51.4%
57.00%1006.085611,66553.3%60.0%
43.16%954.685511,91440.0%45.0%
50.53%955.886711,33752.9%49.2%
48.94%946.485212,50348.5%49.2%
49.46%936.01,16711,62164.1%38.9%
46.07%895.91,16011,89750.0%44.1%
51.14%885.686412,04850.0%51.9%
48.28%875.867711,95140.6%52.7%
55.17%876.282112,93254.5%55.4%
48.19%835.467610,53645.5%50.0%
58.02%815.895212,04471.4%47.8%
55.13%786.185710,86559.0%51.3%
42.11%765.482610,87633.3%47.8%
61.33%755.91,02611,90353.6%66.0%
58.57%706.281611,63463.3%55.0%
48.48%666.698912,53827.3%59.1%
54.55%666.083710,84862.1%48.6%
53.03%666.093011,51158.6%48.6%
58.46%652.587012,15881.8%46.5%
52.54%596.086811,34654.2%51.4%
62.75%516.093511,10671.4%52.2%
57.14%494.985912,92264.7%53.1%
54.35%466.378012,04254.5%54.2%
52.27%445.887212,34362.5%46.4%
57.14%424.399812,23750.0%61.5%
64.29%426.393311,79776.2%52.4%
58.54%416.093810,65973.7%45.5%
54.05%373.177211,44872.2%36.8%
48.57%353.583810,97244.4%52.9%
64.71%345.680812,25353.9%71.4%
60.61%331.681111,64450.0%70.6%
50.00%322.476611,09453.3%47.1%
55.17%295.696311,70854.5%55.6%
44.83%296.391811,59250.0%40.0%
60.71%281.778614,58775.0%55.0%
46.43%285.764310,98250.0%44.4%
62.96%274.874611,52750.0%70.6%
44.00%253.081112,88144.4%43.8%
56.00%251.877512,68366.7%50.0%
60.87%233.469710,38050.0%72.7%
47.83%233.181611,77955.6%42.9%
57.89%192.272012,11683.3%46.1%
63.16%194.580412,48066.7%62.5%
57.89%195.870312,60460.0%57.1%
52.63%192.166813,52857.1%50.0%
47.37%195.782211,29162.5%36.4%
72.22%181.784412,36475.0%70.0%
44.44%181.373511,75766.7%33.3%
64.71%172.272213,76875.0%61.5%
52.94%176.381811,12357.1%50.0%
50.00%164.494911,30655.6%42.9%
81.25%165.69328,82390.0%66.7%
60.00%153.387111,93060.0%60.0%
57.14%145.765910,00050.0%66.7%
50.00%145.59029,01937.5%66.7%
35.71%141.186410,65728.6%42.9%
64.29%142.886713,22350.0%70.0%
61.54%133.191012,92150.0%66.7%
53.85%134.58719,61857.1%50.0%
16.67%124.771312,3550.0%18.2%
36.36%114.481611,50425.0%42.9%
36.36%115.482212,27050.0%28.6%
45.45%116.364411,879100.0%25.0%
36.36%115.668311,97150.0%28.6%
50.00%102.480612,39240.0%60.0%
90.00%102.094513,090100.0%85.7%
66.67%94.48809,67457.1%100.0%
44.44%92.81,17013,72550.0%42.9%
66.67%96.387811,66533.3%83.3%
77.78%95.983012,72550.0%85.7%
55.56%96.197513,05775.0%40.0%
44.44%95.171711,39150.0%40.0%
22.22%95.56037,60214.3%50.0%
44.44%91.190114,43950.0%40.0%
77.78%91.966810,21480.0%75.0%
62.50%84.065610,20683.3%0.0%
37.50%83.090214,6570.0%37.5%
62.50%83.01,03412,68950.0%66.7%
25.00%86.076411,84225.0%25.0%
50.00%84.783611,5390.0%57.1%
87.50%84.873911,559100.0%80.0%
87.50%81.083812,85866.7%100.0%
62.50%85.998210,35250.0%75.0%
62.50%84.566911,01566.7%60.0%
42.86%73.77429,123100.0%20.0%
57.14%76.285210,18850.0%66.7%
57.14%74.64888,280100.0%25.0%
85.71%76.380710,16275.0%100.0%
85.71%75.898411,25666.7%100.0%
83.33%65.482912,965100.0%75.0%
100.00%67.078415,3910.0%100.0%
66.67%63.969111,348100.0%50.0%
66.67%65.56929,12166.7%66.7%
80.00%56.356912,563100.0%75.0%
60.00%55.689512,9260.0%100.0%
60.00%51.31,00014,9960.0%60.0%
40.00%53.21,18819,2590.0%40.0%
80.00%56.36598,022100.0%0.0%
20.00%56.473412,0410.0%33.3%
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Mordekaiser vs Cassiopeia - Frequently Asked Questions

How does Mordekaiser do against Cassiopeia in League of Legends?

Cassiopeia wins the Mordekaiser vs Cassiopeia matchup with a 77.8% win rate compared to Mordekaiser's 22.2%, a 55.6 percentage point difference. This data is based on 9 recent ranked games in patch 26.14.

How does Mordekaiser do against Cassiopeia in the early game?

In the early game, Cassiopeia has the advantage against Mordekaiser with a 85.7% win rate versus 14.3%. Cassiopeia players should look to press their lane advantage through aggressive trades and wave control during the first 15 minutes.

How does Mordekaiser do against Cassiopeia in the late game?

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

Who wins the Mordekaiser vs Cassiopeia matchup?

Cassiopeia wins the matchup against Mordekaiser with a 77.8% win rate in League of Legends patch 26.14. The 55.6 percentage point advantage means Cassiopeia is significantly favored in this lane matchup based on 9 games analyzed.

What is the best Mordekaiser build against Cassiopeia?

The best Mordekaiser build against Cassiopeia includes Riftmaker, Force of Nature, Rylai's Crystal Scepter with Mercury's Treads. Check the matchup breakdown above for the full item path and build order.

What are the best Mordekaiser runes against Cassiopeia?

The best Mordekaiser runes against Cassiopeia use the Precision primary tree with Resolve secondary. This rune setup achieves a 20.0% win rate in the Mordekaiser vs Cassiopeia matchup. See the full rune breakdown in the matchup comparison above.

Does Mordekaiser counter Cassiopeia?

No, Mordekaiser struggles against Cassiopeia with only a 22.2% win rate. Cassiopeia has the advantage in this matchup. Mordekaiser players should focus on safe farming and avoiding extended trades to minimize Cassiopeia's lead.

How do I play Mordekaiser against Cassiopeia?

When playing Mordekaiser 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.