Ahri vs Karthus Counter Build

How to Beat Karthus as Ahri


We get our counter stats from the millions of ranked League of Legends games that we review every week. This Ahri versus Karthus counter review resulted from an analysis of 5,771 ranked rounds where both champs fought one another.

This champion pairing is fairly rare. Ahri has to counter Karthus in only 0.7% of her matches. Ahri has done a decent job of countering Karthus. Normally, Ahri wins a acceptable 51.0% of the time the champs face off with each other in. In Ahri versus Karthus games, Ahri’s team is 3.0% more likely to get first blood. This indicates that she most likely will get first blood versus Karthus.

Matchups Analyzed


Win Rate


Team First Blood


Best Ahri Items to Counter Karthus

The best items to prioritize in your Ahri versus Karthus build include Banshee's Veil, Zhonya's Hourglass, and Luden's Tempest. When Ahri used at least these three items in her build, she did a lot better when facing Karthus than with most other commonly used builds.

Banshee's Veil Item Zhonya's Hourglass Item Luden's Tempest Item

Best Ahri Runes to Counter Karthus

To have the highest chance of annihilating Karthus as Ahri, Ahri players should use the Electrocute, Sudden Impact, Eyeball Collection, Ultimate Hunter, Transcendence, and Manaflow Band runes. Out of all the rune sets we have analyed/that we analyzed for Ahri vs Karthus clashes, this order of runes resulted in the greatest win rate. We have also shown the top Karthus runes to counterpick against Ahri to help you infer how he will probably be setup to try to beat your champ.

Best Ahri Runes

Electrocute Rune Electrocute
Sudden Impact Rune Sudden Impact
Eyeball Collection Rune Eyeball Collection
Ultimate Hunter Rune Ultimate Hunter
Transcendence Rune Transcendence
Manaflow Band Rune Manaflow Band

Best Karthus Runes

Dark Harvest Rune Dark Harvest
Taste of Blood Rune Taste of Blood
Eyeball Collection Rune Eyeball Collection
Ravenous Hunter Rune Ravenous Hunter
Presence of Mind Rune Presence of Mind
Coup de Grace Rune Coup de Grace


The subsequent tables underscore some significant Ahri versus Karthus matchup stats that can help us explain the differences and similarities between this set of champs. As an example, Ahri’s KDA ratio ([kills + assists] / deaths) of 2.2 is close to Karthus’s ratio of 2.1, indicating that Ahri may be just as central to her team's team fighting capacity than Karthus.

Battle Stats


Ahri Stats
6.1 7.3
Karthus Stats


Ahri Stats
6.1 7.4
Karthus Stats


Ahri Stats
7.1 8.4
Karthus Stats

Largest Killing Spree

Ahri Stats
2.7 2.7
Karthus Stats

Damage Dealt

Ahri Stats
17489 26122
Karthus Stats

Damage Taken

Ahri Stats
19568 23276
Karthus Stats

Objective Stats

Towers Destroyed

Ahri Stats
5.3 5.2
Karthus Stats

Inhibitors Destroyed

Ahri Stats
1 0.9
Karthus Stats

Dragons Killed

Ahri Stats
1.9 1.8
Karthus Stats

Barons Killed

Ahri Stats
0.4 0.3
Karthus Stats

Gold Earned

Ahri Stats
10009 11307
Karthus Stats

Minions Killed

Ahri Stats
120 86
Karthus Stats

Ahri usually has a similar longest kill spree as her opponent does. On average, Ahri takes less damage than Karthus. This is usually reflective of different amounts of tankyness, but it can also indicate that the one champ has less agility and thus is unable to kite away from additional damage when engaged or poked.

In Ahri vs Karthus matchups, Ahri usually takes a bit more CS than Karthus. Champs who on average don't amass very much CS normally don't require much CS to be effective. Instead, they are able to scale adequately off of their abilities alone. However, champions with plenty of CS, such as ADCs, typically need a lot of items to be effective. In either case, work to best the values displayed here to do well.

If you need to get Ahri vs Karthus tips and builds for a a distinct player tier, please choose one from the selection menu above. At first, the stats and guides shown are calculated using every round finished with both champions.

How We Analyze Our Matchups

For this counter guide, we analyzed 5771 Ahri vs Karthus 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 Karthus as Ahri 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.