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 Sep 25, 2026.
Starting Items
Core Items
Boots
Full Item Set
Karthus Runes — Domination + Sorcery
Dark Harvest 
Cheap Shot 
Grisly Mementos 
Ultimate Hunter 
Axiom Arcanist 
Gathering Storm 
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.
Karthus Counters
Weak Against
39.0% 159 games 
39.6% 144 games 
41.9% 129 games 
43.8% 137 games 
44.5% 146 games Strong Against
59.4% 106 games 
55.4% 168 games 
54.7% 161 games 
52.9% 119 games 
52.8% 163 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 16.19.1), the strongest recorded Karthus build in Jungle goes Blackfire Torch, Shadowflame, Rabadon's Deathcap as core items, with a 47.97% win rate across 5,889 games.
The most played rune page runs Dark Harvest (Domination) with Sorcery as the secondary tree.
Blackfire Torch, Shadowflame, Rabadon's Deathcap.
Based on real matchup data, Karthus struggles most against Cho'Gath, Kayn, Hecarim.
Build and counter data is refreshed automatically every 48 hours from ranked game statistics.