Tier: Off MetaWin37.39%Role3.10%Pick0.06%Ban0.72%Games: 40KDA: 1.76Score: 45.69
Karthus Support is ranked Off Meta Tier and has a 37.39% win rate in LoL Patch 14.19. We've analyzed 40 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Sorcerer's Shoes, Malignance, Liandry's Torment, Zaz'Zak's Realmspike, 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 Exhaust. Starting items should include World Atlas, Health Potion, and Oracle Lens. Karthus's Best Support matchups include Lux. Karthus's Best Support counters are Thresh.
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Karthus Summoner Spells
Win %
Pick %
34%
88%
43%
52%
50%
25%
67%
8%
29%
18%
0%
3%
Karthus Starting Items
Win %
Buy %
2
34%
88%
2
0%
3%
Karthus Runes
Win %
Pick %
46%
32%
38%
30%
33%
29%
0%
3%
Karthus Items
46%
46%
48%
21%
67%
55%
44%
91%
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
1100
2700
3000400
32003600Karthus Trinkets
Win %
Buy %
44%
63%
33%
52%
Karthus Boots
Win %
Buy %
46%
65%
40%
13%
Karthus Support Items
Win %
Buy %
21%
70%
100%
3%
Average ADC Duo Queue Champions for Karthus Support(49% - 51% win rate with Karthus)
Below Average ADC Duo Queue Champions for Karthus Support(under 49% win rate with Karthus)
Best Support Champions to Counter Karthus Support(under 49% win rate for Karthus)
Best Support Matchups for Karthus Support(over 51% win rate for Karthus)
Even Support Matchups for Karthus Support(49% - 51% win rate for Karthus)
Best ADC Champions to Counter Karthus Support(under 49% win rate for Karthus)
Best ADC Matchups for Karthus Support(over 51% win rate for Karthus)
Even ADC Matchups for Karthus Support(49% - 51% win rate for Karthus)
