Tier: Off MetaWin55.56%Role11.18%Pick0.20%Games: 18KDA: 2.40Score: 54.22
Karthus Support is ranked Off Meta Tier and has a 55.56% win rate in LoL Ultimate Spellbook Patch 14.21. We've analyzed 18 Karthus Support games to compile our statistical Karthus Spellbook Build Guide. For items, our build recommends: Sorcerer's Shoes, Blackfire Torch, Malignance, Liandry's Torment, Shadowflame, and Zaz'Zak's Realmspike. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Placeholder and Flash. Starting items should include Amplifying Tome, World Atlas, Health Potion, and Stealth Ward. Karthus's Best Spellbook Support matchups include Lux.
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Karthus Summoner Spells
Win %
Pick %
56%
100%
50%
89%
100%
6%
100%
6%
Karthus Starting Items
Win %
Buy %
3
50%
22%
100%
6%
Karthus Runes
Win %
Pick %
60%
60%
67%
14%
75%
7%
0%
6%
Karthus Items
56%
60%
59%
64%
86%
58%
62%
29%
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
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3200400Karthus Ultimate Spellbook Stats
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Karthus Trinkets
Win %
Buy %
62%
72%
50%
78%
100%
6%
Karthus Boots
Win %
Buy %
56%
50%
75%
22%
Karthus Support Items
Win %
Buy %
58%
67%
100%
6%
Best ADC Duo Queue Champions for Karthus Support in Ultimate Spellbook(over 51% win rate with Karthus)
Average ADC Duo Queue Champions for Karthus Support in Ultimate Spellbook(49% - 51% win rate with Karthus)
Best Support Matchups for Karthus Support in Ultimate Spellbook(over 51% win rate for Karthus)
Even Support Matchups for Karthus Support in Ultimate Spellbook(49% - 51% win rate for Karthus)
Even ADC Matchups for Karthus Support in Ultimate Spellbook(49% - 51% win rate for Karthus)