Tier: Off MetaWin25.00%Role15.69%Pick0.22%Ban0.00%Games: 8KDA: 2.14Score: 36.50
Karthus Support is ranked Off Meta Tier and has a 25.00% win rate in LoL Swiftplay Patch 25.08. We've analyzed 8 Karthus Support games to compile our statistical Karthus Swiftplay Build Guide. For items, our build recommends: Ionian Boots of Lucidity, Liandry's Torment, Zaz'Zak's Realmspike, Shadowflame, Rabadon's Deathcap, and Seraph's Embrace. For runes, the strongest choice is Sorcery (Primary) with Phase Rush (Keystone), and Precision (Secondary). The optimal Summoner Spells for this build are Teleport and Ghost. Starting items should include World Atlas, Health Potion, and Stealth Ward.
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Karthus Summoner Spells


Win %
Pick %
67%
38%
67%
38%

0%
38%

0%
13%

0%
38%

0%
38%
Karthus Starting Items
Win %
Buy %


2

17%
75%
Karthus Runes
Win %
Pick %
100%
13%
50%
25%
0%
13%
0%
13%
Karthus Items

100%

17%

20%

20%

100%

100%

29%

50%
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

















Karthus Trinkets
Win %
Buy %

29%
88%

50%
25%

0%
13%
Karthus Boots
Win %
Buy %

100%
13%

17%
75%

0%
13%
Karthus Support Items
Win %
Buy %

20%
63%

0%
13%