Tier: Off MetaWin41.58%Role4.38%Pick0.11%Ban1.44%Games: 105KDA: 1.68Score: 43.59
Karthus Support is ranked Off Meta Tier and has a 41.58% win rate in LoL Patch 25.15. We've analyzed 105 Karthus Support games to compile our statistical Karthus Build Guide. For items, our build recommends: Blackfire Torch, Malignance, Sorcerer's Shoes, Liandry's Torment, Zaz'Zak's Realmspike, and Shadowflame. For runes, the strongest choice is Sorcery (Primary) with Summon Aery (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are Exhaust and Ignite. Starting items should include Sapphire Crystal, Health Potion, and Stealth Ward. Karthus's Best Support matchups include Maokai and Nautilus. Karthus's Best Support counters are Thresh, Sona, and Rakan.
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Karthus Summoner Spells
Win %
Pick %
48%
80%
40%
54%
36%
53%
25%
4%
33%
3%
17%
6%
Karthus Starting Items
Win %
Buy %
2
50%
2%
Karthus Runes
Win %
Pick %
55%
34%
33%
25%
39%
12%
41%
11%
Karthus Items
50%
44%
45%
56%
41%
52%
44%
63%
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
2800
2700
1100
3000400
3200
500Karthus Trinkets
Win %
Buy %
44%
91%
32%
48%
50%
2%
Karthus Boots
Win %
Buy %
45%
78%
43%
7%
100%
2%
Karthus Support Items
Win %
Buy %
41%
90%
100%
1%
100%
1%
0%
1%
Best ADC Duo Queue Champions for Karthus Support(over 51% win rate with Karthus)
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)
