Karthus is ranked Tier and has a 41.31% win rate in LoL 3v3 Patch 8.24. We've analyzed 42 Karthus games to compile our statistical Karthus 3v3 Build Guide. For items, our build recommends: Rod of Ages, Sorcerer's Shoes, Archangel's Staff, Rylai's Crystal Scepter, Wooglet's Witchcap, and Void Staff. 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 Ignite. Starting items should include Health Potion, Doran's Ring, Boots of Speed, and Refillable Potion. Karthus's Best 3v3 matchups include Kayn and Master Yi. Karthus's Best 3v3 counters are Yasuo.
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Karthus Summoner Spells
Win %
Pick %
44%
98%
53%
40%
43%
17%
38%
19%
100%
5%
100%
2%
Karthus Starting Items
43%
33%
40%
50%
Karthus Runes
Win %
Pick %
50%
33%
47%
13%
73%
4%
52%
8%
Karthus Items
43%
58%
45%
100%
59%
58%
33%
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 Boots
Win %
Buy %
58%
62%
0%
2%
0%
2%
0%
2%
Average Karthus Duo Champions in 3v3(49% - 51% win rate with Karthus)
Below Average Karthus Duo Champions in 3v3(under 49% win rate with Karthus)
Best Champions to Counter Karthus in 3v3(under 49% win rate for Karthus)
Even Matchups for Karthus in 3v3(49% - 51% win rate for Karthus)
