Wincon
Bot · 270 games

Karthus

Bot · 36% of games Top · 6%Mid · 6%Jungle · 51%

Strongest when games end at 15–20 minutes (63%). On average ahead of the lane opponent at 15 minutes (+207 gold).

Win rate
55.9%
±5.9 · role avg 50.0%
Tier
S
#3 of 52
Pick rate
1.4%
ban 3.3%
Games
270
ranked solo/duo

Karthus bot wins 55.9% of 270 ranked games, rank 3 of 52 bot champions (tier S). Most players finish Blackfire Torch first, at about 9:48.

The build at a glance

What most Karthus players run

Items 1–4: the most common path. Later items: the most common pick in the games that last that long, so fewer games.
Items, in buying orderEvery option, item by item →
Item 1 Blackfire Torch 9:51 · 100% · 269 games
Boots Sorcerer's Shoes 13:06 · 95% of games
Item 2 Shadowflame 16:46 · 60% · 149 games
Item 3 Stormsurge 21:49 · 52% · 61 games
Item 4 Liandry's Torment 27:33 · 49% · 19 games
Item 5 · late game Void Staff 31:30 · 14 of 41 games
Item 6 · late game Morellonomicon 34:54 · 6 of 14 games
Runes
Deathfire Touch · Sorcery + Precision 36% of games · 55% wins All runes →
Start
Doran's Ring + Health Potion 94% of games · 55% wins Other starts →
Spells
Exhaust + Flash 95% of games · 55% wins Other spells →
Skill order
Lay WasteQ DefileE Wall of PainW
Max Lay Waste first 97% of games · 55% wins Skill orders →
When Karthus wins

Best when games end at 15–20′

Win rate by when the game ended. Faded: under 30 games. Icons: when each item is usually finished.
70%60%50%40%30% Games that ended at 15–20′: 63% wins over 30 games 63% Games that ended at 20–25′: 53% wins over 53 games 53% Games that ended at 25–30′: 56% wins over 78 games 56% Games that ended at 30–35′: 57% wins over 69 games 57% Games that ended at 35–40′: 53% wins over 32 games 53% Games that ended at 40–45′: 40% wins over 5 games 40% 0′5′10′15′20′25′30′35′40′45′
Blackfire Torch Sorcerer's Shoes Shadowflame Stormsurge Liandry's Torment Void Staff Morellonomicon
Ends before 25′57% wins31% of games · 83
Lasts 25′ or more55% wins68% of games · 184
Lanes

Watch out for Kalista, Jhin, Yunara

Hard Easy Points above or below what both champions' overall win rates predict. Every opponent, minute by minute →
What wins Karthus games

First Baron: 81% against 37%

Win rate when the team took it firstwhen it didn't Gap
First Baron 37% 81% +44
First tower 36% 71% +35
First dragon 41% 66% +25
Rift Herald 44% 69% +25
First blood 51% 60% +9
First Voidgrubs 52% 60% +8

Taking an objective goes with winning; it isn't the whole cause. First inhibitor is left out: it mostly means the game is already won.

How Karthus plays

More solo kills, fewer control wards

What stands out (10% or more) against the average bot laner. Blue: better for winning, red: worse.

More solo kills a game1.2 against 0.7 · +60%
Fewer control wards a game0.27 against 0.63 · −57%
More assists a game10.3 against 6.8 · +51%
More damage a minute1248 against 860 · +45%
Less damage to towers4412 against 7525 · −41%

About average: minions, gold.