Tier: SWin50.24%Pick8.09%Games: 80659KDA: 3.00Score: 54.29
Karthus is ranked S Tier and has a 50.24% win rate in LoL ARAM Patch 10.25. We've analyzed 80659 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Liandry's Anguish, Sorcerer's Shoes, Demonic Embrace, Rabadon's Deathcap, Morellonomicon, and Void Staff. 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 Mark. Starting items should include Lost Chapter and Health Potion. Karthus's Best ARAM matchups include Qiyana, Kha'Zix, and Tahm Kench. Karthus's Best ARAM counters are Seraphine, Swain, and Morgana.
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Karthus Summoner Spells
Win %
Pick %
54%
96%
55%
27%
55%
23%
53%
18%
54%
16%
54%
14%
Karthus Starting Items
Win %
Buy %
2
55%
64%
3
50%
1%
Karthus Runes
Win %
Pick %
55%
26%
55%
30%
53%
11%
55%
3%
Karthus Items
57%
55%
57%
54%
53%
54%
51%
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
3400
1100
30003800
25002500Karthus Mythic Items
Win %
Buy %
57%
56%
51%
35%
52%
10%
48%
1%
43%
0%
48%
0%
Karthus Boots
Win %
Buy %
55%
89%
52%
5%
48%
1%
47%
0%
50%
0%
42%
0%
Best Karthus Duo Champions in ARAM(over 51% win rate with Karthus)
+9.7
+9.6
+9.3
+9.3
+9.2
+9.2
+9.2
+9.1
+8.9
+8.7
+8.5
+8.5
+8.3
+8.1
+7.9
+7.8
+7.8
+7.3
+7.3
+7.1
+7.0
+7.0
+7.0
+6.9
+6.9
+6.8
+6.7
+6.5
+6.5
+6.5
+6.3
+6.2
+6.2
+6.2
+6.2
+6.1
+6.0
+5.9
+5.9
+5.9
+5.9
+5.8
+5.7
+5.5
+5.4
+5.3
+5.3
+5.2
+5.0
+5.0
+4.8
+4.7
+4.7
+4.7
+4.6
+4.6
+4.4
+4.3
+4.1
+4.0
+4.0
+3.7
+3.6
+3.6
+3.5
+3.3
+3.3
+3.3
+3.2
+3.1
+2.9
+2.9
+2.8
+2.8
+2.8
+2.7
+2.7
+2.7
+2.6
+2.6
+2.6
+2.5
+2.5
+2.4
+2.3
+2.3
+2.2
+2.2
+2.1
+2.0
+2.0
+1.9
+1.8
+1.7
+1.6
+1.5
+1.5
+1.4
+1.4
+1.2
+1.1
+1.1
+1.0
+0.8
+0.8
+0.7
+0.7
+0.6
+0.6
+0.6
+0.5
+0.4
+0.2
+0.2
+0.1
Average Karthus Duo Champions in ARAM(49% - 51% win rate with Karthus)
Best Matchups for Karthus in ARAM(over 51% win rate for Karthus)
+12.6
+11.2
+10.8
+10.5
+9.0
+9.0
+8.9
+8.7
+8.6
+8.3
+8.1
+7.9
+7.9
+7.9
+7.8
+7.8
+7.6
+7.5
+7.5
+7.4
+7.3
+7.2
+7.0
+6.9
+6.9
+6.9
+6.9
+6.7
+6.7
+6.7
+6.7
+6.7
+6.6
+6.5
+6.4
+6.4
+6.3
+6.2
+6.2
+6.2
+6.1
+6.0
+5.9
+5.9
+5.8
+5.8
+5.8
+5.6
+5.6
+5.5
+5.5
+5.4
+5.4
+5.2
+5.2
+5.1
+5.1
+5.0
+5.0
+4.9
+4.8
+4.7
+4.7
+4.6
+4.5
+4.5
+4.5
+4.4
+4.4
+4.3
+4.1
+4.1
+4.0
+3.9
+3.9
+3.8
+3.8
+3.7
+3.6
+3.5
+3.5
+3.5
+3.5
+3.3
+3.3
+3.3
+3.3
+3.2
+3.2
+3.2
+3.1
+3.1
+3.0
+3.0
+2.8
+2.8
+2.6
+2.5
+2.5
+2.4
+2.1
+2.1
+1.9
+1.9
+1.9
+1.7
+1.6
+1.4
+1.4
+1.1
+0.9
+0.9
+0.9
+0.7
+0.7
+0.7
+0.6
+0.5
+0.5
+0.5
+0.5
+0.4
+0.3
+0.3
Even Matchups for Karthus in ARAM(49% - 51% win rate for Karthus)