Mobafire League of Legends Build Guides Mobafire League of Legends Build Guides

LoL Champion Build Guides: Karthus

Karthus RP Cost 790 Karthus BE Cost3150
Pick 79%
Win 51%
Pick 11%
Win 54%
Pick 8%
Win 52%
+ Wishlist

Karthus The Deathsinger

Find the best Karthus build guides for League of Legends Patch 10.19. The MOBAFire community works hard to keep their LoL builds and guides updated, and will help you craft the best Karthus build for the S10 meta. Learn more about Karthus' abilities, skins, or even ask your own questions to the community!


Season 9 Builds
LoL Champion Karthus Build Guide

Karthus FAST ULTI CD Patch 8.24 Dark Hervest

Build by animeexxx updated December 11, 2018
  • 8.24
Rating Pending
Views: 2,250
LoL Champion Karthus Build Guide

Karthus support 2.0

Build by Snezit updated November 20, 2018
  • 8.23
Rating Pending
Views: 6,895
LoL Champion Karthus Build Guide

Karthus ARAM run it down mid build 70%+ winrate easy games e

Build by woohoobb updated November 23, 2018
  • 8.23
Rating Pending
Views: 2,223
LoL Champion Karthus Build Guide

Karthus Pre-season Build

Build by Kertze4 updated December 2, 2018
  • 8.23
Rating Pending
Views: 1,269
LoL Champion Karthus Build Guide

KARTHUS JUNGLE DARK HARVEST

Build by Guest updated November 30, 2018
  • 8.23
Rating Pending
Views: 7,796
LoL Champion Karthus Build Guide

Agony, Ecstasy, Peace. Karthus Support Guide.

Build by Ditsunai updated November 26, 2018
  • 8.23
Rating Pending
Views: 3,155
LoL Champion Karthus Build Guide

Karthus ONE SHOT (Top/Mid)

Build by Warrion99 updated November 20, 2018
  • 8.23
Rating Pending
Views: 6,791
Season 8 Guides
LoL Champion Karthus Build Guide

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

Guide by TheWengster updated July 19, 2018
  • 8.14
  • In-depth
Votes: 45
Views: 112,771
LoL Champion Karthus Build Guide

Sir Farmalot - A guide to becoming rich as hell

Guide by Fellish updated July 6, 2018
  • 8.13
Votes: 27
Views: 780,388
LoL Champion Karthus Build Guide

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

Guide by EvilLurker updated December 9, 2017
  • 7.24
Votes: 16
Views: 244,058
LoL Champion Karthus Build Guide

7.15; Sing with your final breath!

Guide by XerxikLinaak updated December 16, 2017
  • 7.24
Rating Pending
Views: 14,840
Season 8 Builds
LoL Champion Karthus Build Guide

Fast Boy Karthus

Build by FeelToxicMan updated November 13, 2018
  • 8.22
Rating Pending
Views: 2,338
LoL Champion Karthus Build Guide

Karthus Mid s8

Build by cHASE319 updated November 7, 2018
  • 8.22
Rating Pending
Views: 1,838
LoL Champion Karthus Build Guide

Karthus TOP and MID (OneShot)

Build by Warrion99 updated October 28, 2018
  • 8.21
Rating Pending
Views: 5,113
LoL Champion Karthus Build Guide

Karthus support

Build by Snezit updated November 2, 2018
  • 8.21
Rating Pending
Views: 1,971
LoL Champion Karthus Build Guide

PRO AS HECK GUIDE TO SPAWN KARTHUS

Build by xMisaka updated October 30, 2018
  • 8.21
Rating Pending
Views: 2,095
LoL Champion Karthus Build Guide

Karthus Buildido

Build by Guest updated October 30, 2018
  • 8.21
Rating Pending
Views: 660
LoL Champion Karthus Build Guide

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

Build by SlowInHurry updated October 24, 2018
  • 8.21
Votes: 28
Views: 39,582
LoL Champion Karthus Build Guide

Standard Karthus Mid Guide [8.18]

Build by Guest updated September 20, 2018
  • 8.18
Rating Pending
Views: 1,935
LoL Champion Karthus Build Guide

Oneshot Karthus

Build by Warrion99 updated August 19, 2018
  • 8.16
Votes: 25
Views: 54,122

Karthus Build Stats

Patch 10.19: 394571 matches scanned * Each section of the build is rated independently of the others

Karthus's Runes

Karthus's Best Runes 52%

Win Rate 8836 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 55%

Win Rate 1927 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 55%

Win Rate 789 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: Coup de Grace
Coup de Grace

Karthus's Summoner Spells

Karthus's Best Summoner Spells 50%

Win Rate 21350 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 61%

Win Rate 70 Games

Smite Ignite

Third Best

Karthus's 3rd Best Summoner Spells 53%

Win Rate 429 Games

Exhaust Smite

Karthus's Starters

Karthus's Best Starter Items 50%

Win Rate 21710 Games

  • 1
  • 2

Trinket

Karthus's Best Trinket 51%

Win Rate 14301 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 47%

Win Rate 6236 Games

Warding Totem

Third Best

Karthus's 3rd Best Trinket 46%

Win Rate 1347 Games

Farsight Alteration
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 68%

Win Rate 3327 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Ability Order 67%

Win Rate 1243 Games

Third Best

Karthus's 3rd Best Ability Order 59%

Win Rate 98 Games

Patch 10.19: 394574 matches scanned * Each section of the build is rated independently of the others

Karthus's Runes

Karthus's Best Runes 56%

Win Rate 1103 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: 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 63%

Win Rate 158 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 59%

Win Rate 54 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: Coup de Grace
Coup de Grace

Karthus's Summoner Spells

Karthus's Best Summoner Spells 56%

Win Rate 1926 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 61%

Win Rate 51 Games

Flash Ignite

Third Best

Karthus's 3rd Best Summoner Spells 53%

Win Rate 318 Games

Flash Teleport

Karthus's Starters

Karthus's Best Starter Items 54%

Win Rate 2727 Games

  • 1

Trinket

Karthus's Best Trinket 57%

Win Rate 1284 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 52%

Win Rate 1192 Games

Warding Totem

Third Best

Karthus's 3rd Best Trinket 58%

Win Rate 142 Games

Oracle Lens
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 74%

Win Rate 99 Games

  • 1
  • 2
Patch 10.19: 394588 matches scanned * Each section of the build is rated independently of the others

Karthus's Runes

Karthus's Best Runes 59%

Win Rate 152 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: 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 58%

Win Rate 69 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 54%

Win Rate 293 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: Coup de Grace
Coup de Grace

Karthus's Summoner Spells

Karthus's Best Summoner Spells 53%

Win Rate 1229 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Summoner Spells 49%

Win Rate 889 Games

Flash Teleport

Third Best

Karthus's 3rd Best Summoner Spells 50%

Win Rate 329 Games

Flash Ignite

Karthus's Starters

Karthus's Best Starter Items 52%

Win Rate 3341 Games

  • 1

Trinket

Karthus's Best Trinket 50%

Win Rate 1789 Games

  • 1
  • 2
  • 3

Second Best

Karthus's 2nd Best Trinket 54%

Win Rate 808 Games

Farsight Alteration

Third Best

Karthus's 3rd Best Trinket 52%

Win Rate 189 Games

Oracle Lens
Don’t forget
to Buy Wards

Karthus's Ability Order

Karthus's Best Ability Order 70%

Win Rate 233 Games

  • 1
  • 2

Karthus Skins

Karthus' Abilities

Ability Range Cost Cooldown
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 / 26 / 32 / 38 / 44
1
Karthus briefly reveals the target area which he detonates after a 0.5-second delay, dealing 50 / 70 / 90 / 110 / 130 (+30% 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 20 / 27 / 34 / 41 / 48 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

Help Support Our Growing Community

MOBAFire is a community that lives to help every LoL player take their game to the next level by having open access to all our tools and resources. Please consider supporting us by whitelisting us in your ad blocker!

Want to support MOBAFire with an ad-free experience? You can support us ad-free for less than $1 a month!

Go Ad-Free