Karthus Build
Latest Karthus build for League of Legends with items, runes, summoner spells, skill order, counters and patch data.
Karthus Build Guide
Karthus is a unique jungle pick whose damage keeps threatening the map even after he dies, and ranked data on patch 16.13.1 shows a 48.87% winrate at a niche 1.21% pickrate. He’s also playable in the bot lane for players who want to bring his wave clear and poke to a duo lane.
Dark Harvest scales with his ability to finish off targets from a distance, and the Blackfire Torch, Shadowflame, and Rabadon’s Deathcap core turns his ultimate into a game-ending threat. Skill order runs Q, then E, then W. Full itemization and counters are covered below.
Karthus Build
Imported from op.gg · updated every 48 hours · last update Aug 10, 2026.
Starting Items
Core Items
Boots
Full Item Set
Karthus Runes — Domination + Precision
Dark Harvest 
Cheap Shot 
Grisly Mementos 
Treasure Hunter 
Presence of Mind 
Coup de Grace 
Adaptive Force Adaptive Force 
Health Scaling Karthus Summoner Spells
Exhaust 
SmiteKarthus Skill Order
Ability Order by Level
Levels shown as recorded in ranked data; R is highlighted at its level-up points.
Starting Items
Core Items
Boots
Full Item Set
Karthus Runes — Sorcery + Precision
Deathfire Touch 
Axiom Arcanist 
Transcendence 
Scorch Presence of Mind 
Last Stand Adaptive Force Adaptive Force 
Health Karthus Summoner Spells
Exhaust 
FlashKarthus Skill Order
Ability Order by Level
Levels shown as recorded in ranked data; R is highlighted at its level-up points.
Karthus Counters
Weak Against
35.3% 153 games 
40.9% 225 games 
42.5% 306 games 
43.5% 191 games 
44.1% 186 games Strong Against
56.6% 369 games 
54.6% 205 games 
54.6% 198 games 
54.6% 275 games 
53.0% 115 games Win rates are Karthus's results against each champion, imported from op.gg.
Karthus Build FAQ
Based on current ranked data (op.gg, patch 16.15.1), the strongest recorded Karthus build in Jungle goes Blackfire Torch, Shadowflame, Rabadon's Deathcap as core items, with a 48.95% win rate across 27,640 games.
The most played rune page runs Dark Harvest (Domination) with Precision as the secondary tree.
Blackfire Torch, Shadowflame, Rabadon's Deathcap.
Based on real matchup data, Karthus struggles most against Ivern, Udyr, Nasus.
Build and counter data is refreshed automatically every 48 hours from ranked game statistics.