Karthus Build Guides, Runes, Items, and Abilities - Patch 25.08
Karthus The Deathsinger
Find the best Karthus build guides for League of Legends S15 Patch 25.08. The MOBAFire community works hard to keep their LoL builds and guides updated, and will help you craft the best Karthus build for the S15 meta. Learn more about Karthus' abilities, skins, or even ask your own questions to the community!
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Karthus free win build
Karthus free win build
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The Unholiest of Supports
The Unholiest of Supports
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Karthus top and mid best runes!! UwU
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Karthus support
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[10.5] Kataclysm guide to Karthus, the Deathsinger
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Powerkiller Karthus Jungle
Powerkiller Karthus Jungle
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Hamster's guide to Karthus jungle
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[9.15] IN DEPTH Karthus mid guide 65% winrate
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Karthus Guide: Feel the frailty of life
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Whisky's Karthus Guide for WInners
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How to Win Every Game on Karthus
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Support Karthus for new players who are tired of supporting
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Top Tier Karthus Guide
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Predator Karthus guide to press R. Who's the victim now?
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Rafamantis Karthus Jungle -
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Best Low Elo Stomper Karthus!!!
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Karthus - Ultimate=Penta Kill
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Press R | Karthus Jg Guide (9.17)
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Rank 1 Karthus NA Guide
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[90% Winrate] NA KARTHUS GUIDE
Karthus Build & Runes
If you're looking for the best rune build for Karthus we've got you covered. Below you can find the best items and runes to build for Karthus, as determined by calculations of thousands of Plat+ League of Legends games. If you are already familiar with how to play Karthus this is a great resource to quickly get a good rune selection for Patch 25.08. However, if you are a new Karthus player we highly recommend reading through some of the guides above to learn why this build is strong on Karthus!
* Each section of the build is rated independently of the others
Karthus's Runes
51%
Win Rate 58% Pickrate
- 1
- 2
- 3
Second Best
47%
Win Rate 34% Pickrate
Third Best
49%
Win Rate 6% Pickrate
Karthus's Summoner Spells
50%
Win Rate 46% Pickrate
- 1
- 2
- 3
Karthus's Starters
51%
Win Rate 66% Pickrate
- 1
- 2
- 3
Karthus's Core Items
52%
Win Rate 12% Pickrate
- 1
- 2
- 3
Boots
Karthus's Luxury Items
Karthus's Ability Order
50%
Win Rate 76% Pickrate
- 1
- 2
- 3
Death Defied (PASSIVE)
Passive Ability
Second Best
44%
Win Rate 10% Pickrate
Death Defied (PASSIVE)
Passive Ability
Third Best
55%
Win Rate 5% Pickrate
Death Defied (PASSIVE)
Passive Ability
* Each section of the build is rated independently of the others
Karthus's Runes
55%
Win Rate 82% Pickrate
- 1
- 2
- 3
Second Best
40%
Win Rate 12% Pickrate
Third Best
45%
Win Rate 4% Pickrate
Karthus's Summoner Spells
53%
Win Rate 86% Pickrate
- 1
- 2
- 3
Karthus's Starters
55%
Win Rate 98% Pickrate
- 1
- 2
- 3
Karthus's Core Items
53%
Win Rate 19% Pickrate
- 1
- 2
- 3
Boots
Karthus's Luxury Items
Karthus's Ability Order
53%
Win Rate 53% Pickrate
- 1
- 2
- 3
Death Defied (PASSIVE)
Passive Ability
Second Best
49%
Win Rate 32% Pickrate
Death Defied (PASSIVE)
Passive Ability
Third Best
37%
Win Rate 3% Pickrate
Death Defied (PASSIVE)
Passive Ability
* Each section of the build is rated independently of the others
Karthus's Runes
49%
Win Rate 42% Pickrate
- 1
- 2
- 3
Second Best
45%
Win Rate 34% Pickrate
Third Best
40%
Win Rate 11% Pickrate
Karthus's Summoner Spells
46%
Win Rate 50% Pickrate
- 1
- 2
- 3
Karthus's Starters
40%
Win Rate 88% Pickrate
- 1
- 2
- 3
Karthus's Core Items
52%
Win Rate 12% Pickrate
- 1
- 2
- 3
Boots
Karthus's Luxury Items
Karthus's Ability Order
47%
Win Rate 43% Pickrate
- 1
- 2
- 3
Death Defied (PASSIVE)
Passive Ability
Second Best
42%
Win Rate 28% Pickrate
Death Defied (PASSIVE)
Passive Ability
Third Best
38%
Win Rate 4% Pickrate
Death Defied (PASSIVE)
Passive Ability
Karthus Counters
Learn Karthus' counters and discover matchups where they have an advantage! When you're starting a game of League of Legends you should always keep in mind if you'll be at an advantage or disadvantage against your opponent, so you can know whether to bully them or play safe. You can find detailed breakdowns of each matchup on CounterStats, and you can also check out some Karthus guides to see how to build and play against other champions you may find yourself up against!
This counter data is for Karthus JUNGLE in Plat+ games. The percent shown is the enemy champion's counter rating against Karthus. Counter rating is our own statistic that factors in counter kills, overall kills, early lead ratio, comeback ratio, and win percent to give the whole picture of that champion's effectiveness as a counter pick.
Best Against Karthus
Worst Against Karthus
Karthus Skins
Find Karthus's skins and when they were last on sale. Never miss a sale for your favorite skin by using our Wish List feature! You can also find all Karthus skins and chromas on Karthus's skins page.
Our Wish List feature will send you notifications when your skins are on sale!Karthus' Abilities
Toggle: Karthus creates a necrotic aura, dealing 7.5 / 12.5 / 17.5 / 22.5 / 27.5 (+5% of ability power) magic damage per second to nearby enemies.
Questions About Karthus
Latest Questions
Karthus DH or Predator
So I know before the DH rework [[Karthus]] used to take [[Predator]] because you could activate it and boost your ult damage on everyone that you hit. Does the new [[Dark Harvest]] work the same way? That is, if you have multiple targets within...
what can i build for karthus jngl???
what can i build for karthus jngl???
Karthus jungle?
In the most recent Pro Player Pick, Archie mentioned that one of his favorite junglers to play with is [[Karthus]]. I've heard of jungle [[Karthus]] before, and that it has been used by some pro team in the past (just can't think of the team), but...
Karthus and Soraka
So, a lot of people think of [[Soraka]] as the #1 counter to [[Karthus]]. Constantly in solo queue I see teammates pick [[Soraka]] because there is a [[Karthus]] on the other team. The common claim is that [[Soraka]]'s ultimate negates...
