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LoL Champion Build Guides: Karthus

Karthus The Deathsinger

Find the best Karthus build guides for League of Legends S12 Patch 12.2. 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 9 Builds
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus ONE SHOT (Top/Mid)

Build by Warrion99 updated November 20, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Rafamantis Karthus Jungle -

Build by Rafamantis updated November 1, 2019
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Best Low Elo Stomper Karthus!!!

Build by hord_on_pc updated October 7, 2019
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Press R | Karthus Jg Guide (9.17)

Build by pooploI updated September 1, 2019
Season 8 Guides
9.8
47
Votes
1
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

[8.14][EU MASTER] Karthus Mid and Top Guide by Wengster

Guide by TheWengster updated July 19, 2018
  • In-depth
8.9
24
Votes
1
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

[7.24] 85% W/R Diamond Karthus: Death Defied

Guide by EvilLurker updated December 9, 2017
8.1
31
Votes
8
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Sir Farmalot - A guide to becoming rich as hell

Guide by Fellish updated July 6, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

7.15; Sing with your final breath!

Guide by XerxikLinaak updated December 16, 2017
Season 8 Builds
8.6
27
Votes
5
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Support Win Rate 68% Karthus Support/Late Game Carry / How t

Build by SlowInHurry updated October 24, 2018
8.3
26
Votes
5
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Oneshot Karthus

Build by Warrion99 updated August 19, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Humble in defeat, C9 Nunu Karthus All Lanes (S8)

Build by larvido updated January 9, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Standard Karthus Mid Guide [8.18]

Build by Guest updated September 20, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

ARURF BEAST ? S8

Build by Guest updated July 10, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Personal Karthus Build - Potokeł

Build by Potokel updated April 19, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

freight train722's guide to klepto karthus top

Build by freight train722 updated March 26, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus TOP and MID (OneShot)

Build by Warrion99 updated October 28, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus jungle build

Build by Guest updated June 18, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Fast Boy Karthus

Build by FeelToxicMan updated November 13, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus Mid s8

Build by cHASE319 updated November 7, 2018
Rating Pending
LoL Champion Karthus Build Guide
LoL Champion Karthus Build Guide

Karthus support

Build by Snezit updated November 2, 2018
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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 12.2. 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 12.2: 67153 matches scanned * Each section of the build is rated independently of the others

Karthus's Top Items

Karthus's Runes

Karthus's Best Runes 50%

Win Rate 1399 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 981 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 50%

Win Rate 791 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 47%

Win Rate 4164 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 49%

Win Rate 3964 Games

Exhaust Smite

Third Best

Karthus's 3rd Best Summoner Spells 53%

Win Rate 91 Games

Exhaust Flash

Karthus's Starters

Karthus's Best Starter Items 48%

Win Rate 3783 Games

  • 1
  • 2
  • 3

Trinket

Karthus's Best Trinket 49%

Win Rate 5801 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 46%

Win Rate 1927 Games

Stealth Ward

Third Best

Karthus's 3rd Best Trinket 46%

Win Rate 707 Games

Farsight Alteration
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 66%

Win Rate 1525 Games

  • 1
  • 2
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 12.2: 67155 matches scanned * Each section of the build is rated independently of the others

Karthus's Top Items

Karthus's Runes

Karthus's Best Runes 60%

Win Rate 89 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 57%

Win Rate 76 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: Coup de Grace
Coup de Grace

Third Best

Karthus's 3rd Best Runes 57%

Win Rate 60 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 52%

Win Rate 912 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 54%

Win Rate 195 Games

Flash Ignite

Third Best

Karthus's 3rd Best Summoner Spells 53%

Win Rate 148 Games

Flash Barrier

Karthus's Starters

Karthus's Best Starter Items 52%

Win Rate 1275 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Starter Items 51%

Win Rate 63 Games

Corrupting Potion

Third Best

Karthus's 3rd Best Starter Items 45%

Win Rate 346 Games

Health Potion Tear of the Goddess

Trinket

Karthus's Best Trinket 49%

Win Rate 1022 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 51%

Win Rate 702 Games

Farsight Alteration

Third Best

Karthus's 3rd Best Trinket 56%

Win Rate 167 Games

Oracle Lens
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 67%

Win Rate 176 Games

  • 1
  • 2
Patch 12.2: 67160 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 55 Games

  • 1
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

Second Best

Karthus's 2nd Best Runes 0%

Win Rate Games

LoL Path:

LoL Path:

Third Best

Karthus's 3rd Best Runes 0%

Win Rate Games

LoL Path:

LoL Path:
More Karthus Runes

Karthus's Summoner Spells

Karthus's Best Summoner Spells 52%

Win Rate 192 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 49%

Win Rate 341 Games

Flash Teleport

Third Best

Karthus's 3rd Best Summoner Spells 38%

Win Rate 89 Games

Flash Ignite

Karthus's Starters

Karthus's Best Starter Items 48%

Win Rate 461 Games

  • 1
  • 2

Trinket

Karthus's Best Trinket 54%

Win Rate 233 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 46%

Win Rate 448 Games

Stealth Ward

Third Best

Karthus's 3rd Best Trinket 45%

Win Rate 65 Games

Oracle Lens
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 66%

Win Rate 65 Games

  • 1
  • 2

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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