Tier: Off MetaWin46.13%Role2.20%Pick0.04%Ban2.07%Games: 138KDA: 1.90Score: 48.71
Karthus Support is ranked Off Meta Tier and has a 46.13% win rate in LoL Patch 14.22. We've analyzed 138 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Blackfire Torch, Liandry's Torment, Shadowflame, and Zaz'Zak's Realmspike. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are Flash and Exhaust. Starting items should include World Atlas and Health Potion. Karthus's Best Support matchups include Swain and Lux. Karthus's Best Support counters are Poppy, Rakan, and Vel'Koz.
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Karthus Summoner Spells
Win %
Pick %
52%
93%
49%
61%
43%
32%
83%
4%
63%
6%
67%
2%
Karthus Starting Items
Win %
Buy %
2
51%
53%
2
57%
25%
Karthus Runes
Win %
Pick %
50%
44%
59%
23%
31%
12%
44%
2%
Karthus Items
51%
54%
56%
60%
53%
54%
56%
54%
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
3200Karthus Trinkets
Win %
Buy %
56%
70%
46%
51%
43%
5%
Karthus Boots
Win %
Buy %
54%
70%
57%
10%
100%
4%
Karthus Support Items
Win %
Buy %
54%
80%
50%
1%
0%
1%
Average ADC Duo Queue Champions for Karthus Support(49% - 51% win rate with Karthus)
Even Support Matchups for Karthus Support(49% - 51% win rate for Karthus)
Even ADC Matchups for Karthus Support(49% - 51% win rate for Karthus)
