Tier: Off MetaWin40.99%Role3.76%Pick0.05%Ban0.56%Games: 54KDA: 1.85Score: 46.32
Karthus Support is ranked Off Meta Tier and has a 40.99% win rate in LoL Patch 25.S1.3. We've analyzed 54 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 Teleport. Starting items should include World Atlas, Health Potion, and Oracle Lens. Karthus's Best Support matchups include Morgana. Karthus's Best Support counters are Swain and Yuumi.
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Karthus Summoner Spells
Win %
Pick %
48%
85%
53%
31%
40%
37%
33%
28%
43%
13%
100%
4%
Karthus Starting Items
Win %
Buy %
2
51%
87%
2
0%
2%
Karthus Runes
Win %
Pick %
66%
35%
29%
28%
76%
5%
52%
7%
Karthus Items
47%
46%
46%
56%
63%
51%
48%
78%
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
2700
1100
2800
30003200
750Karthus Trinkets
Win %
Buy %
48%
74%
40%
37%
67%
11%
Karthus Boots
Win %
Buy %
46%
44%
100%
4%
13%
15%
50%
4%
50%
4%
Karthus Support Items
Win %
Buy %
51%
69%
100%
4%
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 Matchups for Karthus Support(over 51% win rate for 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)
