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How to Synergize Karthus with LeBlanc on the Same TeamKarthus is in the b tier of champions

Karthus with LeBlanc

How to Win With Karthus and LeBlanc Paired TogetherKarthus is in the b tier of champions
Mage
AssassinMage

How to Synergize Karthus and LeBlanc

based on 593 Karthus with LeBlanc pairs
Win Rate
43.8 %
K/D/A
2.13
Pick Rate
1.2 %

How We Analyze Champion Pairings in LoL

We pull data from from millions of League of Legends matches straight from Riot Games each and every week. Karthus has been on the same team as LeBlanc in 593 recent, ranked games. By amassing so much relevant data straight from the makers of League of Legends, we are confident that we can showcase robust, usable builds to help Karthus play with LeBlanc. It is very rare for Karthus to play alongside LeBlanc on the same side. This has only happened in about 1.2% of games with Karthus.

Karthus LeBlanc Synergy Summary

Unfortunately, Karthus does a pathetic job of teaming up with LeBlanc. Normally, he wins a lowly 43.8% of matches the champs fight together on the same side. If you want to do better as Karthus when fighting on the same team as LeBlanc by figuring out how to better synergize your tactics with her, then review the complete build (with items, runes, summoner spells, and skills) below!

Best Karthus vs LeBlanc Counter Build

Items

Starter Items

Time Target
Scorchclaw PupHealth Potion

Early Items

~5 Mins
Glowing MoteLost Chapter

Core Karthus Items

~22 Mins
Rabadon's DeathcapMalignanceShadowflame

Optional Items

Luden's CompanionLiandry's TormentStormsurge

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 Synergizing Karthus and LeBlanc

Tips for Playing as Karthus with LeBlanc

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 Understand How LeBlanc Will Play

Using Distortion can help your positioning to land Ethereal Chains.

You can chain Sigil of Malice and Ethereal Chains to prevent characters with blink from escaping for up to 4 seconds.

Distortion allows you to be aggressive with your other spells while being able to return to safety.

Karthus LeBlanc Synergy Stats

Karthus Image
Win Rate
43.8 %
VS
Win Rate
56.2 %
LeBlanc Image
7.2
< Kills >
7
8
< Deaths >
7.6
9.8
< Assists >
9.5
1.67
< Killing Sprees >
1.63
77
< Minions Killed >
88
1.03
< Dragons Killed >
0.89
0.26
< Inhibitors >
0.28
259
< Physical Damage >
246
30,008
< Magic Damage >
29,153
2,318
< True Damage >
2,031
32,586
< Damage Dealt >
31,430
31,784
< Damage Taken >
29,785
13,110
< Gold Earned >
12,799
1.01
< Towers >
1.08
0.23
< Baron Takedowns >
0.23
10,650
< Total Healing >
9,279
15,111
< Experience >
14,921
20
< Vision Score >
19
7
< Wards Placed >
7
227
< Time Dealing CC >
221

How to Play with LeBlanc as Karthus in LoL

The Karthus LeBlanc synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with LeBlanc, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.

Overall, Karthus sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with LeBlanc. His KDA went down from NaN to NaN. This negative change shows that LeBlanc helps Karthus perform poorer in ranked LoL rounds. Yet, the small difference shows that this performance change is only marginal.

When Karthus plays on the same team as LeBlanc, he observes a marginal improvement in his total damage output. This change may signal that LeBlanc provides cover for him to dish out more damage or that her participation also helps increase the match's duration. Similarly, when Karthus is played alongside LeBlanc on the same team, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing with LeBlanc.

Additionally, when Karthus plays with LeBlanc on the same side, he often receives more damage than when he plays alone. Taking more damage may mean that LeBlanc does a poor job of protecting Karthus during team fights.

Synergies between Karthus and LeBlanc

Damage Types Compared

Karthus
LeBlanc
Physical Damage
Magic Damage
True Damage

Champion Playstyles Contrasted

Karthus
LeBlanc

Is Karthus better when played alongside LeBlanc?

There is no universally accepted best champion pairing for Karthus that will 100% of the time be his #1 ally. Yet, LeBlanc is a terrible companion for Karthus. By being on the same side as Karthus, she drops their win rate by -3.5% to 43.8%. This demonstrates that there is an easy to overcome and exploit strategic relationship between Karthus and LeBlanc that results in them performing worse together than alone.

LeBlanc has a greater difficulty than Karthus. That means you must be cautious when arranging LeBlanc allies to play with, as they will need a greater level of skill to be able to work well with you.

Fighting together, you should observe an overall large increase in your team’s capacity to deal magical damage. Combined, these champions are able to dish out a surprising amount of magic type damage.

In contrast, by bringing Karthus and LeBlanc together, you probably will not be providing your side much attack damage. We recommend you have other champs on your team that offsets this gap in this pairing's potential.

Regardless of the skill of your LeBlanc teammate, you should focus on maximizing your income, outlasting your enemies, and clearing objectives. If you follow these simple suggestions, you will do well, regardless.

Additional Information for Karthus Players

How We Calculated Our Karthus LeBlanc Synergy Build and Stats

For this guide on pairing Karthus and LeBlanc, we analyzed 593 ranked and recent League of Legends matches. We perform advanced data cleaning and statistical methods to guarantee that our team synergy stats are accurate and reliable. You can be confident that our recommended build to pair Karthus with LeBlanc comes from actual 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 your division's most relevant stats and build.

Other Useful Resources

Further Insights to Win with this Champion Pairing

If you would like to learn all of the intricacies of Karthus in order to pair well with LeBlanc during both the early game and mid / late game phases of LoL rounds, you should continue reading to learn some more tips and tricks for this champion pairing. If you listen to the build and stats presented above, you will increase your win rate by a lot.

The most crucial finished items to focus on in your Karthus and LeBlanc synergy build include Rabadon's Deathcap, Malignance, and Shadowflame. When Karthus used at least these three finished items in his build, he did much better when paired up with LeBlanc than with many other commonly used builds. In fact, Karthus had an average winrate of 43.8% helping carry LeBlanc with these items in his kit.

To have the greatest probability of vanquishing your oponents, Karthus players should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Of all the runes players used for this team composition, this combo of runes yielded the top win rate. In fact, these runes gave a 43.8% win rate overall.

If you would like to view Karthus with LeBlanc synergy tips and stats for a a particular player tier, feel free to choose one from the selection menu provided above. By default, the statistics and guides given are computed using all matches run with both champions.