Zac vs Karthus Counter Build

How to Beat Karthus as Zac


We produce our counter stats from the millions of recently rated League matches that we review every week. This Zac vs Karthus matchup guide resulted from an evaluation of 1,896 ranked rounds where both champions opposed each other.

This champ pairing is fairly rare. Zac fights Karthus in only 0.8% of his rounds. Zac does a decent job of beating Karthus. On average, he wins a acceptable 51.0% of matches the champions clash against each other in. In Zac versus Karthus rounds, Zac’s team is 3.0% more likely to get first blood. This indicates that he probably will get first blood versus Karthus.

Matchups Analyzed


Win Rate


Team First Blood


Best Zac Items to Counter Karthus

The ideal items to have in your Zac versus Karthus build include Spirit Visage, Sunfire Aegis, and Warmog's Armor. When Zac bought at least these three items in his build, he performed a lot better when fighting Karthus than with most other common item sets.

Spirit Visage Item Sunfire Aegis Item Warmog's Armor Item

Best Zac Runes to Counter Karthus

To have the best probability of crushing Karthus as Zac, you should use the Conqueror, Triumph, Legend: Tenacity, Last Stand, Second Wind, and Revitalize runes. Of all the runes players used for Zac vs Karthus counterpicks, this mixture of runes yielded the greatest win rate. We have also displayed the top Karthus runes to fend off Zac to help you understand how he will probably be played to try to beat your champ.

Best Zac Runes

Conqueror Rune Conqueror
Triumph Rune Triumph
Legend: Tenacity Rune Legend: Tenacity
Last Stand Rune Last Stand
Second Wind Rune Second Wind
Revitalize Rune Revitalize

Best Karthus Runes

Dark Harvest Rune Dark Harvest
Cheap Shot Rune Cheap Shot
Eyeball Collection Rune Eyeball Collection
Ravenous Hunter Rune Ravenous Hunter
Presence of Mind Rune Presence of Mind
Last Stand Rune Last Stand


The following tables underscore several significant Zac versus Karthus counter stats that can help us figure out the differences and similarities between the pair. As an example, Zac’s KDA ratio ([kills + assists] / deaths) of 3.2 is greater than Karthus’s KDA ratio of 2.3, demonstrating that Zac may be more central to his team's team fighting potential than Karthus. This observation is in large part fueled by the differences in deaths .

Battle Stats


Zac Stats
4.9 7.6
Karthus Stats


Zac Stats
5.2 7.5
Karthus Stats


Zac Stats
11.7 9.5
Karthus Stats

Largest Killing Spree

Zac Stats
2.5 2.8
Karthus Stats

Damage Dealt

Zac Stats
14243 29064
Karthus Stats

Damage Taken

Zac Stats
37835 25388
Karthus Stats

Objective Stats

Towers Destroyed

Zac Stats
5.3 5.3
Karthus Stats

Inhibitors Destroyed

Zac Stats
0.9 0.9
Karthus Stats

Dragons Killed

Zac Stats
2 2
Karthus Stats

Barons Killed

Zac Stats
0.4 0.4
Karthus Stats

Gold Earned

Zac Stats
10241 11915
Karthus Stats

Minions Killed

Zac Stats
39 87
Karthus Stats

Zac typically has a similar longest kill spree as his opponent does. Commonly, Zac takes more damage than Karthus. This often reflects different amounts of tankyness, but it can also hint that the one champ has less agility and thus is unable to flee from further damage when poked or engaged.

In Zac vs Karthus matchups, Zac commonly totals many fewer minion kills than Karthus. Champs that don't amass much CS typically don't require much CS to be effective. Instead, they are able to scale fully off their abilities alone. Yet, champs with many minion kills, such as hyper-carries, 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 see Zac vs Karthus tips and counter stats for a a specific division rank, please select one from the selection menu above. By default, the statistics and guides given are computed using every match run with these champs.

How We Analyze Our Matchups

For this counter guide, we analyzed 1896 Zac 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 Zac 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.