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LoL Champion Build Guides: Karthus

Karthus The Deathsinger

Find the best Karthus build guides for League of Legends S12 Patch 12.1. The MOBAFire community works hard to keep their LoL builds and guides updated, and will help you craft the best Karthus build for the S12 meta. Learn more about Karthus' abilities, skins, or even ask your own questions to the community!

Season 10 Builds
8.7
16
Votes
2
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

[10.5] Kataclysm guide to Karthus, the Deathsinger

Build by STORMTGLIVE updated March 5, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Old School Mid Karthus

Build by PROvatino updated July 26, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

LILLIA TOKEN BUILD (BOTS)

Build by KoparPL updated July 13, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus Support

Build by Boeing AH64 updated August 2, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus free win build

Build by Arturpropl updated April 2, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Powerkiller Karthus Jungle

Build by PumpMyElo updated January 3, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

#769 Karthus eune mid build

Build by APW8 updated June 20, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus: the deathsinger

Build by AkimboTs updated September 28, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus "Deathsinger" Guide

Build by TheMoshi updated September 22, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus the Kill Thief

Build by Guest updated September 18, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

fg

Build by Guest updated September 16, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus 1k+ ap lategame

Build by VilemR updated September 14, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

this guide sucks

Build by i suck azir updated August 20, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Middle Karthus Guide

Build by Guest updated July 9, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus "Deathsinger" Guide

Build by Rheapz updated June 29, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

penta karthus jg

Build by Guest updated May 21, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

spellblinder karthus

Build by Guest updated May 21, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus supp 100% win

Build by Guest updated May 7, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus

Build by Guest updated April 22, 2020
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

karthus is op

Build by kommandoxd updated April 21, 2020
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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 LeagueSpy's 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 12.1. 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!

Patch 12.1: 440924 matches scanned * Each section of the build is rated independently of the others

Karthus's Top Items

Karthus's Runes

Karthus's Best Runes 49%

Win Rate 3419 Games

  • 1
  • 2
  • 3
Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ravenous Hunter
Ravenous Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Coup de Grace
Coup de Grace

Second Best

Karthus's 2nd Best Runes 49%

Win Rate 2615 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ravenous Hunter
Ravenous Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand

Third Best

Karthus's 3rd Best Runes 47%

Win Rate 1696 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand
More Karthus Runes

Karthus's Summoner Spells

Karthus's Best Summoner Spells 50%

Win Rate 9868 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 46%

Win Rate 11109 Games

Flash Smite

Third Best

Karthus's 3rd Best Summoner Spells 56%

Win Rate 73 Games

Flash Teleport

Karthus's Starters

Karthus's Best Starter Items 47%

Win Rate 9800 Games

  • 1
  • 2
  • 3

Trinket

Karthus's Best Trinket 49%

Win Rate 14743 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 46%

Win Rate 5406 Games

Stealth Ward

Third Best

Karthus's 3rd Best Trinket 47%

Win Rate 1724 Games

Farsight Alteration
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 66%

Win Rate 3945 Games

  • 1
  • 2
  • 3
Patch 11.20: 494917 matches scanned * Each section of the build is rated independently of the others

Karthus's Top Items

Karthus's Runes

Karthus's Best Runes 55%

Win Rate 418 Games

  • 1
  • 2
  • 3
Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Taste of Blood
Taste of Blood
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand

Second Best

Karthus's 2nd Best Runes 57%

Win Rate 134 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Taste of Blood
Taste of Blood
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ravenous Hunter
Ravenous Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand

Third Best

Karthus's 3rd Best Runes 54%

Win Rate 330 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand
More Karthus Runes

Karthus's Summoner Spells

Karthus's Best Summoner Spells 53%

Win Rate 1592 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 53%

Win Rate 168 Games

Flash Teleport

Third Best

Karthus's 3rd Best Summoner Spells 52%

Win Rate 109 Games

Flash Heal

Karthus's Starters

Karthus's Best Starter Items 71%

Win Rate 28 Games

  • 1
  • 2
! Small Sample Size Warning * There is either not a lot of games played on this champion or the builds vary greatly, we have provided the top build but it does not have a high confidence rating so use your own discretion.

Trinket

Karthus's Best Trinket 55%

Win Rate 1137 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 51%

Win Rate 697 Games

Stealth Ward

Third Best

Karthus's 3rd Best Trinket 54%

Win Rate 137 Games

Oracle Lens
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 100%

Win Rate 1 Games

  • 1
! Small Sample Size Warning * There is either not a lot of games played on this champion or the builds vary greatly, we have provided the top build but it does not have a high confidence rating so use your own discretion.
Patch 12.1: 440931 matches scanned * Each section of the build is rated independently of the others

Karthus's Top Items

Karthus's Runes

Karthus's Best Runes 62%

Win Rate 76 Games

  • 1
  • 2
  • 3
Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ravenous Hunter
Ravenous Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand

Second Best

Karthus's 2nd Best Runes 61%

Win Rate 161 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Coup de Grace
Coup de Grace

Third Best

Karthus's 3rd Best Runes 61%

Win Rate 123 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand
More Karthus Runes

Karthus's Summoner Spells

Karthus's Best Summoner Spells 53%

Win Rate 1986 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 53%

Win Rate 1534 Games

Flash Teleport

Third Best

Karthus's 3rd Best Summoner Spells 53%

Win Rate 508 Games

Flash Ignite

Karthus's Starters

Karthus's Best Starter Items 52%

Win Rate 2998 Games

  • 1
  • 2

Trinket

Karthus's Best Trinket 50%

Win Rate 2617 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 54%

Win Rate 1588 Games

Farsight Alteration

Third Best

Karthus's 3rd Best Trinket 56%

Win Rate 449 Games

Oracle Lens
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 65%

Win Rate 459 Games

  • 1
  • 2
  • 3
Patch 12.1: 440937 matches scanned * Each section of the build is rated independently of the others

Karthus's Top Items

Karthus's Runes

Karthus's Best Runes 56%

Win Rate 78 Games

  • 1
  • 2
  • 3
Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Coup de Grace
Coup de Grace

Second Best

Karthus's 2nd Best Runes 54%

Win Rate 157 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Taste of Blood
Taste of Blood
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand

Third Best

Karthus's 3rd Best Runes 45%

Win Rate 113 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand
More Karthus Runes

Karthus's Summoner Spells

Karthus's Best Summoner Spells 60%

Win Rate 78 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 60%

Win Rate 72 Games

Exhaust Ignite

Third Best

Karthus's 3rd Best Summoner Spells 54%

Win Rate 447 Games

Exhaust Flash

Karthus's Starters

Karthus's Best Starter Items 50%

Win Rate 1184 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Starter Items 47%

Win Rate 365 Games

Health Potion Tear of the Goddess

Third Best

Karthus's 3rd Best Starter Items 41%

Win Rate 85 Games

Corrupting Potion

Trinket

Karthus's Best Trinket 55%

Win Rate 606 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 48%

Win Rate 1110 Games

Stealth Ward

Third Best

Karthus's 3rd Best Trinket 52%

Win Rate 215 Games

Oracle Lens
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 71%

Win Rate 174 Games

  • 1
  • 2
Patch 12.1: 440946 matches scanned * Each section of the build is rated independently of the others

Karthus's Top Items

Karthus's Runes

Karthus's Best Runes 61%

Win Rate 134 Games

  • 1
  • 2
  • 3
Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Taste of Blood
Taste of Blood
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand

Second Best

Karthus's 2nd Best Runes 60%

Win Rate 62 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Taste of Blood
Taste of Blood
LoL Rune: Eyeball Collection
Eyeball Collection
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Coup de Grace
Coup de Grace

Third Best

Karthus's 3rd Best Runes 60%

Win Rate 52 Games

Domination
LoL Path: Domination
LoL Rune: Dark Harvest
Dark Harvest
LoL Rune: Cheap Shot
Cheap Shot
LoL Rune: Ghost Poro
Ghost Poro
LoL Rune: Ultimate Hunter
Ultimate Hunter

Precision
LoL Path: Precision
LoL Rune: Presence of Mind
Presence of Mind
LoL Rune: Last Stand
Last Stand
More Karthus Runes

Karthus's Summoner Spells

Karthus's Best Summoner Spells 50%

Win Rate 905 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 57%

Win Rate 135 Games

Exhaust Ignite

Third Best

Karthus's 3rd Best Summoner Spells 50%

Win Rate 562 Games

Flash Ignite

Karthus's Starters

Karthus's Best Starter Items 54%

Win Rate 3575 Games

  • 1
  • 2

Trinket

Karthus's Best Trinket 51%

Win Rate 1467 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 52%

Win Rate 225 Games

Stealth Ward

Third Best

Karthus's 3rd Best Trinket 42%

Win Rate 67 Games

Farsight Alteration
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 70%

Win Rate 291 Games

  • 1
  • 2
  • 3

Karthus Counters

Learn 's 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.

Karthus Skins

Karthus' Abilities

Karthus's Death Defied
Death Defied Karthus's Passive Karthus's Passive
Self
Karthus's Passive
Karthus's Passive
Upon dying, Karthus enters a spirit form allowing him to continue casting spells for 7 seconds. During this time his abilities cost no mana.
Q
Karthus's Lay Waste
Lay Waste Karthus's Q Ability
875
20 / 25 / 30 / 35 / 40
1
Karthus briefly reveals the target area which he detonates after a 0.5-second delay, dealing 45 / 62.5 / 80 / 97.5 / 115 (+35% of ability power) magic damage to all enemies within, doubled when hitting only one target.

Lay Waste's damage is reduced by 15% against monsters.

During Death Defied, Lay Waste will cast at maximum range if cast beyond that.
W
Karthus's Wall of Pain
Wall of Pain Karthus's W Ability
1000
70
15
Karthus creates a 800 / 900 / 1000 / 1100 / 1200 distance wide wall at the target location for 5 seconds. The wall reduces the magic resistance of enemies who pass through it by 15% for 5 seconds and applies a 40 / 50 / 60 / 70 / 80% slow which drops to half effectiveness after 1 second and then decays over the remaining debuff duration.
E
Karthus's Defile
Defile Karthus's E Ability
425
30 / 42 / 54 / 66 / 78
0.5
Passive: Karthus restores 15 / 25 / 35 / 45 / 55 mana whenever he kills an enemy.

Toggle: Drains 30 / 42 / 54 / 66 / 78 Mana every second. Deals 7.5 / 12.5 / 17.5 / 22.5 / 27.5 (+5% of ability power) magic damage every 0.25 seconds to all nearby enemies. Deactivating Defile deals 1 tick's worth of damage.

Defile cannot be toggled off during Death Defied, but it can be while channeling Requiem.
R
Karthus's Requiem
Requiem Karthus's Ultimate (R) Ability
Self
100
200 / 180 / 160 / 160 / 160
After channeling for 3 seconds, Karthus deals 200 / 350 / 500 (+75% of ability power) magic damage to all enemy champions (regardless of distance).

Questions About Karthus

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