Tier: Off MetaWin42.86%Role8.33%Pick0.18%Games: 7KDA: 2.63Score: 45.79
Karthus Support is ranked Off Meta Tier and has a 42.86% win rate in LoL Ultimate Spellbook Patch 14.21. We've analyzed 7 Karthus Support games to compile our statistical Karthus Spellbook Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Blackfire Torch, Zaz'Zak's Realmspike, Seraph's Embrace, 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 Placeholder. Starting items should include Blasting Wand, Health Potion, and Stealth Ward.
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Karthus Summoner Spells
Win %
Pick %
43%
100%
43%
100%
Karthus Starting Items
Win %
Buy %
2
100%
14%
50%
29%
Karthus Runes
Win %
Pick %
100%
14%
100%
14%
100%
14%
0%
52%
Karthus Items
50%
33%
40%
33%
100%
50%
67%
67%
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
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3000Karthus Ultimate Spellbook Stats
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Karthus Trinkets
Win %
Buy %
67%
43%
29%
100%
Karthus Boots
Win %
Buy %
33%
86%
100%
14%
100%
14%
Karthus Support Items
Win %
Buy %
33%
43%
Average ADC Duo Queue Champions for Karthus Support in Ultimate Spellbook(49% - 51% win rate with Karthus)
Even ADC Matchups for Karthus Support in Ultimate Spellbook(49% - 51% win rate for Karthus)