Tier: SWin55.96%Pick8.94%Games: 1165KDA: 2.50Score: 54.25
Karthus is ranked S Tier and has a 55.96% win rate in LoL AR URF Patch 25.04. We've analyzed 1165 Karthus games to compile our statistical Karthus AR URF Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Blackfire Torch, Liandry's Torment, Shadowflame, and Rabadon's Deathcap. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Flash and Ghost. Starting items should include Amplifying Tome, Health Potion, and Oracle Lens. Karthus's Best AR URF matchups include Skarner, Elise, and Leona. Karthus's Best AR URF counters are Singed, Orianna, and Azir.
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Karthus Summoner Spells
Win %
Pick %
54%
75%
54%
44%
51%
37%
53%
28%
48%
11%
53%
3%
Karthus Starting Items
Win %
Buy %
2
53%
49%
2
49%
12%
Karthus Runes
Win %
Pick %
52%
57%
59%
16%
45%
15%
77%
1%
Karthus Items
53%
53%
54%
54%
53%
53%
53%
43%
Karthus Skill Order
 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Q | Q | Q | Q | Q | |||||||||||||
 | W | W | W | W | W | |||||||||||||
 | E | E | E | E | E | |||||||||||||
 | R | R | R |
Karthus Item Purchase Order
27001100
2800
3000
32003600
750Karthus Trinkets
Win %
Buy %
53%
89%
50%
13%
38%
6%
Karthus Boots
Win %
Buy %
53%
63%
49%
7%
50%
2%
45%
1%
56%
1%
50%
0%
Karthus Situational Items
Win %
Buy %
52%
23%
50%
18%
69%
7%
51%
7%
63%
5%
49%
7%
Best Karthus Duo Champions in AR URF(over 51% win rate with Karthus)
+22.3
+22.3
+21.0
+20.4
+19.0
+18.8
+18.7
+18.2
+15.7
+15.7
+15.7
+15.7
+15.7
+15.7
+15.7
+14.8
+12.6
+12.6
+12.0
+11.5
+11.5
+11.5
+11.5
+11.5
+10.3
+10.1
+9.9
+9.4
+9.4
+9.4
+9.0
+9.0
+9.0
+9.0
+8.6
+8.6
+7.9
+7.8
+7.5
+7.3
+7.3
+7.2
+6.9
+6.6
+6.6
+6.6
+6.1
+6.1
+5.9
+5.2
+5.2
+5.2
+5.0
+4.9
+4.6
+4.6
+4.6
+4.3
+4.2
+4.0
+3.8
+3.7
+3.5
+3.5
+3.5
+3.5
+3.5
+3.2
+2.8
+2.8
+2.7
+2.5
+2.3
+2.2
+1.9
+1.8
+1.6
+1.4
+1.4
+1.2
+1.2
+1.2
+1.0
+0.9
+0.8
+0.6
+0.4
+0.4
+0.4
Average Karthus Duo Champions in AR URF(49% - 51% win rate with Karthus)
Below Average Karthus Duo Champions in AR URF(under 49% win rate with Karthus)
Best Champions to Counter Karthus in AR URF(under 49% win rate for Karthus)
Best Matchups for Karthus in AR URF(over 51% win rate for Karthus)
+21.7
+21.2
+21.0
+19.0
+19.0
+19.0
+19.0
+18.2
+17.4
+17.4
+17.2
+15.7
+15.7
+15.7
+15.7
+15.7
+15.7
+15.7
+15.7
+15.7
+14.2
+13.5
+13.3
+12.6
+12.6
+12.6
+12.6
+11.5
+11.5
+11.2
+10.9
+10.9
+10.7
+10.5
+10.5
+10.5
+10.1
+10.0
+9.9
+9.7
+9.6
+9.4
+9.4
+9.0
+7.9
+7.8
+7.6
+7.3
+7.3
+7.3
+7.3
+7.1
+6.9
+6.9
+6.8
+6.7
+6.7
+6.6
+6.1
+6.1
+5.8
+5.3
+5.2
+5.1
+5.0
+4.9
+4.6
+4.6
+4.6
+4.6
+4.4
+4.0
+3.7
+3.5
+2.8
+2.7
+2.1
+1.9
+1.9
+1.8
+1.6
+1.6
+1.5
+1.5
+1.3
+1.0
+1.0
+0.9
+0.7
+0.5
+0.5
+0.4
+0.4
+0.4
+0.3
Even Matchups for Karthus in AR URF(49% - 51% win rate for Karthus)
