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How to Win Karthus vs Rek'Sai Counter MatchupKarthus is in the b tier of champions

Karthus vs Rek'Sai

How to Beat Rek'Sai as Karthus in LoLKarthus is in the b tier of champions
Mage
Fighter

How to Beat Rek'Sai as Karthus

based on 258 Karthus vs Rek'Sai matchups
Win Rate
47.7 %
K/D/A
2.32
Pick Rate
0.5 %

How We Analyze LoL Champion Counters

We produce our counter statistics from the millions of ranked League of Legends games that we get from Riot Games each week. This guide on how to beat Rek'Sai as Karthus came out of an examination of 258 ranked games where both champions fought each other. This particular counter matchup is fairly rare. Karthus has to counter Rek'Sai in only 0.5% of his matches.

Karthus vs Rek'Sai Matchup Summary

Unfortunately, Karthus does a below average job of beating Rek'Sai. On average, he wins a lowly 47.7% of games the champions battle each other in. In Karthus vs Rek'Sai games, Karthus’s team is 0.0% more probable to obtain first blood, implying that he most likely will get first blood versus Rek'Sai.

Best Karthus vs Rek'Sai Counter Build

Items

Starter Items

Time Target
Scorchclaw PupHealth Potion

Early Items

~5 Mins
Amplifying TomeLost Chapter

Core Karthus Items

~22 Mins
Rabadon's DeathcapMalignanceLiandry's Torment

Optional Items

ShadowflameStormsurge

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 Rek'Sai as Karthus

Tips for Playing as Karthus against Rek'Sai

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 Rek'Sai

When Rek'Sai is near, she can see the position of you and your allies, but only if you're moving.

If you see one of Rek'Sai's tunnels, briefly stand on one of the entrances to destroy it.

Rek'Sai's Furious Bite gains damage as she builds Fury. Be very careful around her when her Fury is full.

Karthus vs Rek'Sai Counter Stats

Karthus Image
Win Rate
47.7 %
VS
Win Rate
52.3 %
Rek'Sai Image
7.1
< Kills >
8.2
7.2
< Deaths >
6.6
9.6
< Assists >
7.6
1.72
< Killing Sprees >
1.85
91
< Minions Killed >
36
0.85
< Dragons Killed >
1.53
0.32
< Inhibitors >
0.5
235
< Physical Damage >
14,882
29,783
< Magic Damage >
76
2,115
< True Damage >
3,779
32,134
< Damage Dealt >
18,736
29,114
< Damage Taken >
38,560
12,958
< Gold Earned >
12,450
1.2
< Towers >
1.55
0.24
< Baron Takedowns >
0.33
9,297
< Total Healing >
18,571
15,039
< Experience >
14,184
19
< Vision Score >
24
7
< Wards Placed >
7
221
< Time Dealing CC >
290

How to Counter Rek'Sai with Karthus in LoL

The stats shown here underscore some strategic Karthus vs. Rek'Sai counter stats that can help us appreciate the differences and similarities between this pair of champs. For instance, Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rek'Sai’s KDA ratio of NaN, highlighting that Karthus may be more central to his team's team fighting capacity than Rek'Sai..

Karthus typically has a similar longest killing spree as his foe does. Typically, he takes less damage than Rek'Sai. This is usually reflective of different amounts of tankyness; however, it can also hint that the one champion has less agility and thus is unable to kite away from further damage when poked or engaged.

Differences between Karthus and Rek'Sai

Damage Types Compared

Karthus
Rek'Sai
Physical Damage
Magic Damage
True Damage

Champion Playstyles Compared

Karthus
Rek'Sai

Who is Better, Karthus or Rek'Sai?

Both League of Legends champions are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Karthus usually loses when trying to fight Rek'Sai, with a 47.7% win rate. As a result, Karthus makes a bad counter to Rek'Sai.

While Karthus does have a lower winrate than Rek'Sai, when on opposite teams, Karthus also has a much greater learning curve that makes him a more challenging champ to learn and master. You may get destroyed when picking Karthus into Rek'Saias his relative depth means you may not be able to reach his full potential without a lot of practice beforehand.

Furthermore, Karthus has some amount of utility and CC, a similar amount to Rek'Sai. This often makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.

While there isn't one best champion overall in League of Legends, in Karthus vs Rek'Sai matchups, Rek'Sai is the better champ with a lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.

Karthus is a terribly counter for Rek'Sai. You will do well by focussing your actions on maximizing your CS and destroying objectives. If you are able to do that, you should be able to stand on your own as Karthus against Rek'Sai.

Other Champion Matchups Against Karthus

Karthus Loses Against

TaricTaric41.5% winrateMilioMilio42% winrateTahm KenchTahm Kench42.1% winrateJannaJanna42.2% winrate

Karthus Wins Against

ZeriZeri52.8% winrateLissandraLissandra52.2% winrateZoeZoe51.9% winrateLuluLulu51.9% winrate

Top Synergies by Role

BriarBriar+ 51.6% 926 GamesTristanaTristana+ 52% 1608 GamesRammusRammus+ 52.9% 346 GamesKledKled+ 52.9% 681 Games

Additional Information for Karthus Players

How We Calculated Our Karthus vs Rek'Sai Build and Stats

For this guide on countering Rek'Sai as Karthus, we analyzed 258 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 Rek'Sai 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

Karthus Build Rek'Sai Build

Further Insights to Win this Matchup

If you would like to truly master Karthus in order to counter Rek'Sai during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you pay attention to the build and suggestions presented above, you will grow your win rate significantly and be that much closer to League of Legends pro players.

Karthus usually accumulates more CS compared to Rek'Sai. Champions who typically don't take much CS typically don't have to have much CS to be valuable teammates, such as support champions. They are able to scale properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically require many items to be effective. In either situation, try to do better than the numbers reported on this page to do well.

The most crucial items to use in your Karthus versus Rek'Sai build include Rabadon's Deathcap, Malignance, and Liandry's Torment. When Karthus used at least these three pieces in his build, he did much better against Rek'Sai than with most other typical builds. In fact, Karthus had an average winrate of 47.7% when countering Rek'Sai with this counter build.

To have the best likelihood of vanquishing Rek'Sai as Karthus, you should take 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 rune builds players chose for Karthus vs Rek'Sai face-offs, this sequence of runes resulted in the best win rate. Moreover, these runes provided a 47.7% winrate overall.

If you would like to get Karthus versus Rek'Sai tips and counter builds for a a distinct division rank, feel free to select one from the selection menu above. If viewing for the first time, the statistics and guides shown are computed using every round played with these champs.