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

Karthus vs Rengar

How to Beat Rengar as Karthus in LoLKarthus is in the s tier of champions
Mage
AssassinFighter

How to Beat Rengar as Karthus

based on 1,719 Karthus vs Rengar matchups
Win Rate
47.5 %
K/D/A
2.14
Pick Rate
3.5 %

How We Analyze LoL Champion Counters

We at MOBA Champion analyze millions of ranked League of Legends matches each week. Within our data, Karthus faced Rengar in 1719 matches. Including so many games with Karthus versus Rengar provides us a lot of faith in our ability to produce informative stats and a supported build to suppress Rengar. This particular pairing is relatively rare. Karthus fights Rengar in only 3.5% of his rounds.

Karthus vs Rengar Matchup Summary

Unfortunately, Karthus has done a below average job of beating Rengar. Typically, he wins a lowly 47.5% of the time the champions face each other in. In Karthus against Rengar games, Karthus’s side is 0.1% less likely to gain first blood, implying that he probably won't get first blood against Rengar.

Best Karthus vs Rengar Counter Build

Items

Starter Items

Time Target
Doran's RingHealth Potion

Early Items

~5 Mins
Amplifying TomeDark Seal

Core Karthus Items

~22 Mins
Rabadon's DeathcapMalignanceStormsurge

Optional Items

Liandry's TormentVoid StaffShadowflameLuden's Companion

Summoner Spells

summonerflash 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

DominationDark HarvestCheap ShotEyeball CollectionUltimate Hunter
PrecisionPresence of MindLast Stand
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 Rengar as Karthus

Tips for Playing as Karthus against Rengar

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 Rengar

Rengar's passive enables him to leap out of brush, so avoid fighting him when near bushes.

Rengar puts an indicator over the nearest enemy champion when he is camouflaged during his ultimate.

Rengar gains an empowered ability when his resource bar is full. Try to confront him when it's low.

Karthus vs Rengar Counter Stats

Karthus Image
Win Rate
47.5 %
VS
Win Rate
52.5 %
Rengar Image
7.3
< Kills >
9.5
7.9
< Deaths >
7.5
9.6
< Assists >
6.2
1.71
< Killing Sprees >
2.15
88
< Minions Killed >
44
0.9
< Dragons Killed >
1.4
0.3
< Inhibitors >
0.38
262
< Physical Damage >
19,593
29,119
< Magic Damage >
1,403
2,019
< True Damage >
1,147
31,400
< Damage Dealt >
22,144
30,025
< Damage Taken >
37,163
12,933
< Gold Earned >
13,751
1.12
< Towers >
1.36
0.24
< Baron Takedowns >
0.36
9,132
< Total Healing >
17,680
14,943
< Experience >
15,113
19
< Vision Score >
22
7
< Wards Placed >
5
209
< Time Dealing CC >
236

How to Counter Rengar with Karthus in LoL

The stat comparisons provided here underscore some critical Karthus vs. Rengar counter statistics that can help us grasp the differences and similarities between the two. As an example, Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rengar’s ratio of NaN, indicating that Karthus may be more central to his team's team fighting capacity than Rengar..

Karthus normally has a slightly smaller longest kill spree than his counter does. Commonly, he takes less damage than Rengar. This commonly reflects differing health capacities, but it can also hint that the one champion has less agility and thus is not able to flee from further damage when engaged or poked.

Differences between Karthus and Rengar

Damage Types Compared

Karthus
Rengar
Physical Damage
Magic Damage
True Damage

Champion Playstyles Compared

Karthus
Rengar

Who is Better, Karthus or Rengar?

Both LoL champions are great champions. Both have their pros and cons. In League's current meta, Karthus usually loses when taking on Rengar, with a 47.5% win rate. As a result, Karthus makes a bad counter for Rengar.

While Karthus does have a lower winrate compared to Rengar, when facing one another, Karthus also has a lower difficulty level that makes him a less difficult champ to develop with. You should be very concerned when picking Karthus into Rengaras his relative depth means that you may not be able to unleash his full potential without a significant amount of practice beforehand.

Moreover, Karthus also has some amount of utility and CC, a similar amount to Rengar. This often makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.

While there isn't one best champion in League of Legends, in Karthus vs Rengar matchups, Rengar is the better champ with a lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.

Karthus is a bad counter to Rengar. Make sure you focus your actions on maximizing your gold and cs and destroying objectives. If you can do that, you should hold your own as Karthus against Rengar.

Additional Information for Karthus Players

How We Calculated Our Karthus vs Rengar Build and Stats

For this guide on countering Rengar as Karthus, we analyzed 1,719 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 Rengar 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 learn all of the intricacies of Karthus to counter Rengar during both the lane 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 tips presented here, you should grow your win rate by a lot and be closer to League of Legends pro players.

Karthus often accumulates more CS relative to Rengar. Champions who on average don't get many minion kills usualy don't require much CS to be effective, such as sup champs. They are able to scale well off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often require many items to be effective. In either case, try to exceed the numbers reported here to do well.

The ideal items to focus on in your Karthus versus Rengar build consist of Rabadon's Deathcap, Malignance, and Stormsurge. When Karthus combined at least these three pieces in his build, he performed much better against Rengar than with most other common counter builds. In fact, Karthus had an average win rate of 47.5% when countering Rengar with this build.

To have the best probability of beating Rengar as Karthus, Karthus players should take the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Presence of Mind, and Last Stand runes from the Domination and Precision rune sets. Of all the runes players picked for Karthus vs Rengar counters, this composite of runes resulted in the greatest win rate. In fact, these runes provided a 47.5% winrate overall.

If you want to see Karthus versus Rengar tips and counter stats for a a specific division rank, please choose one from the selection menu provided above. At first, the stats and guides given are calculated using every match with data with both champions.