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How to Win Karthus vs Mordekaiser Counter MatchupKarthus is in the b tier of champions

Karthus vs Mordekaiser

How to Beat Mordekaiser as Karthus in LoLKarthus is in the s tier of champions
Mage
Fighter

How to Beat Mordekaiser as Karthus

based on 3,193 Karthus vs Mordekaiser matchups
Win Rate
46.2 %
K/D/A
2.12
Pick Rate
6.6 %

How We Analyze LoL Champion Counters

We generate our matchup statistics from the millions of ranked League of Legends matches that we review each and every week. Our guide on how to beat Mordekaiser as Karthus resulted from an evaluation of 3193 ranked matches where both champions engaged one another. This particular counter pairing is relatively uncommon. Karthus encounters Mordekaiser in only 6.6% of his matches.

Karthus vs Mordekaiser Matchup Summary

Unfortunately, Karthus has done a awful job of beating Mordekaiser. Typically, he wins a lowly 46.2% of games the champs fight one another in. In Karthus vs Mordekaiser games, Karthus’s side is 0.0% more likely to gain first blood, implying that he probably will be able to get first blood against Mordekaiser.

Best Karthus vs Mordekaiser Counter Build

Items

Starter Items

Time Target
Scorchclaw PupHealth Potion

Early Items

~5 Mins
Fiendish CodexLost Chapter

Core Karthus Items

~22 Mins
Rabadon's DeathcapMalignanceStormsurge

Optional Items

ShadowflameVoid StaffLiandry's TormentZhonya's Hourglass

Summoner Spells

summonerexhaust summoner spell D
summonersmite summoner spell F

Skill Order

First skill for Karthus to level upq
>
Second ability for Karthus to level upe
>
Last skill for Karthus to max outw

Runes

InspirationFirst StrikeMagical FootwearFuture's MarketCosmic Insight
DominationEyeball CollectionUltimate Hunter
Adaptive ForceAdaptive ForceArmor
Karthus's passive ability p
Karthus's q ability q
Karthus's w ability w
Karthus's e ability e
Karthus's ultimate ability r
1
Q
2
E
3
Q
4
W
5
Q
6
R
7
Q
8
E
9
Q
10
E
11
R
12
E
13
E
14
W
15
W
16
R

Guide to Countering Mordekaiser as Karthus

Tips for Playing as Karthus against Mordekaiser

Lay Waste is very strong at farming minions and harassing enemy champions.

Ask your allies to help point out when you should use Requiem to get kills in different lanes.

Advice to Win Against Mordekaiser

Mordekaiser builds up a powerful damage aura when fighting champions, so keep your distance.

Realm of Death will cut you off from your teammates completely. Try to save mobility spells to escape Mordekaiser once inside

Damage he deals can be converted into a large shield, and consumed for health

Karthus vs Mordekaiser Counter Stats

Karthus Image
Win Rate
46.2 %
VS
Win Rate
53.8 %
Mordekaiser Image
7
< Kills >
8
7.8
< Deaths >
6.1
9.5
< Assists >
4.8
1.63
< Killing Sprees >
1.79
87
< Minions Killed >
162
0.85
< Dragons Killed >
0.23
0.25
< Inhibitors >
0.5
239
< Physical Damage >
2,819
29,504
< Magic Damage >
21,661
1,997
< True Damage >
657
31,741
< Damage Dealt >
25,137
29,805
< Damage Taken >
35,017
12,779
< Gold Earned >
12,521
1.01
< Towers >
2.12
0.2
< Baron Takedowns >
0.06
9,180
< Total Healing >
10,788
14,878
< Experience >
16,116
19
< Vision Score >
17
7
< Wards Placed >
8
223
< Time Dealing CC >
253

How to Counter Mordekaiser with Karthus in LoL

The stats provided here clarify some important Karthus vs. Mordekaiser counter statistics that may help us distinguish the differences and similarities between the two. As an example, Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is better than Mordekaiser’s ratio of NaN, demonstrating that Karthus may be more central to his team's team fighting effectiveness than Mordekaiser. This observation is largely caused by the differences in assists.

Karthus typically has a similar longest kill spree as his foe does. Typically, he receives less damage than Mordekaiser. This is usually reflective of different amounts of tankyness, yet it can also illustrate that the champ with more health has less agility and thus is not able to escape additional harm when engaged or poked.

Differences between Karthus and Mordekaiser

Damage Types Compared

Karthus
Mordekaiser
Physical Damage
Magic Damage
True Damage

Champion Playstyles Compared

Karthus
Mordekaiser

Who is Better, Karthus or Mordekaiser?

Both League champs are great champions. Both champs have their pros and cons. In League's current meta, Karthus usually loses when facing off against Mordekaiser, with a 46.2% win rate. Thus, Karthus makes a poor counter to Mordekaiser.

While Karthus does have a lower winrate compared to Mordekaiser, when facing one another, Karthus also has a much greater level of difficulty that makes him a more challenging character to learn. You should be very concerned when picking Karthus into Mordekaiseras his relative depth means you may not be able to reach his full potential without a lot of practice beforehand.

Additionally, Karthus also has some amount of CC and other utility, a similar amount to Mordekaiser. This often makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.

While there is not a single best champion overall in League of Legends, in Karthus vs Mordekaiser matchups, Mordekaiser is the better champion with a much lower win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.

Karthus is a bad counter for Mordekaiser. Make sure you focus your tactics on maximizing your gold and cs and taking out objectives. If you do that, you should do very well as Karthus against Mordekaiser.

Additional Information for Karthus Players

How We Calculated Our Karthus vs Mordekaiser Build and Stats

For this guide on countering Mordekaiser as Karthus, we analyzed 3,193 matchups from recent LoL games. We use rigorous data cleaning and processing methods to ensure that our counter stats are of the highest quality. You can rest assured that the recommended build to counter Mordekaiser as Karthus comes from real data and is not the fabrication of some random LoL player, as some other sites provide. You can use the filters at the top of the page to view the most relevant stats and items to your rank.

Other Useful Resources

Further Insights to Win this Matchup

To truly master Karthus in order to counter Mordekaiser during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you pay attention to the build and suggestions presented here, you will increase your win rate significantly and be closer to League of Legends pro players.

Karthus typically accumulates less CS relative to Mordekaiser. Champions who typically don't acquire much CS often don't require much CS to be effective, such as supports. They are able to scale properly off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually require many items to be effective. In either case, try to do better than the values reported here to do well.

The most important items to focus on in your Karthus versus Mordekaiser build consist of Rabadon's Deathcap, Malignance, and Stormsurge. When Karthus combined at least these three pieces in his build, he did a lot better when fighting Mordekaiser than with most other typical builds. In fact, Karthus boasted an average win rate of 46.2% when countering Mordekaiser with these items in his kit.

To have the best likelihood of coming out on top against Mordekaiser as Karthus, Karthus players should use the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the runes players picked for Karthus vs Mordekaiser face-offs, this mixture of runes resulted in the highest win rate. In fact, these runes averaged a 46.2% win rate overall.

If you need to get Karthus versus Mordekaiser tips and counter builds for a a particular player tier, please select one from the selection menu provided above. By default, the stats and guides displayed are computed using every game completed with both champions.