Tier: BWin48.44%Pick6.54%Games: 518KDA: 2.76Score: 48.06
Karthus is ranked B Tier and has a 48.44% win rate in LoL ARAM Patch 25.10. We've analyzed 518 Karthus games to compile our statistical Karthus ARAM Build Guide. For items, our build recommends: Malignance, Sorcerer's Shoes, Blackfire Torch, Liandry's Torment, Shadowflame, and Rabadon's Deathcap. For runes, the strongest choice is Domination (Primary) with Dark Harvest (Keystone), and Sorcery (Secondary). The optimal Summoner Spells for this build are Flash and Mark. Starting items should include Lost Chapter and Health Potion. Karthus's Best ARAM matchups include Swain, Kai'Sa, and Gragas. Karthus's Best ARAM counters are Xayah, Akshan, and Darius.
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Karthus Summoner Spells


Win %
Pick %
48%
97%
50%
88%

48%
4%

40%
4%

40%
3%

38%
3%
Karthus Starting Items
Win %
Buy %


3
48%
65%


2
57%
6%
Karthus Runes
Win %
Pick %
44%
49%
51%
25%
43%
10%
75%
2%
Karthus Items

45%

46%

55%

51%

49%

47%

45%
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 Situational Items
Win %
Buy %

48%
30%

45%
13%

51%
11%

52%
9%

42%
10%

47%
7%
Karthus Boots
Win %
Buy %

46%
62%

45%
6%

100%
0%
Below Average Karthus Duo Champions in ARAM(under 49% win rate with Karthus)

-0.9

-2.3

-2.3

-2.8

-2.8

-2.8

-2.8

-3.2

-3.5

-3.5

-3.5

-3.5

-3.5

-3.5

-4.6

-4.6

-4.6

-4.6

-5.2

-5.5

-5.5

-6.1

-6.1

-6.1

-6.1

-6.1

-6.1

-6.1

-6.1

-6.1

-6.1

-6.7

-6.9

-7.3

-7.3

-7.3

-7.8

-8.1

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-10.1

-10.1

-10.3

-11.5

-11.5

-11.5

-11.5

-12.6

-13.3

-13.7

-15.7

-15.7

-15.7

-15.7

-17.4

-17.8

-19.0

-19.0

-19.0

-19.0

-19.0

-20.4

-20.4

-20.4

-20.4
Best Champions to Counter Karthus in ARAM(under 49% win rate for Karthus)

-22.1

-21.7

-21.7

-21.7

-21.7

-20.4

-20.4

-20.4

-19.0

-18.2

-18.2

-17.8

-15.7

-15.7

-15.7

-15.7

-15.7

-14.6

-14.0

-13.7

-13.7

-12.6

-11.5

-11.5

-11.5

-11.5

-11.5

-11.1

-10.5

-10.1

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-9.0

-7.8

-7.8

-7.6

-7.3

-7.3

-7.3

-6.9

-6.1

-6.1

-6.1

-6.1

-4.6

-4.0

-3.8

-3.5

-3.5

-3.5

-3.5

-3.5

-3.5

-3.2

-2.8

-2.8

-2.8

-2.8

-2.8

-2.3

-2.3

-2.3

-1.9

-1.9

-1.9

-1.9

-1.6

-1.2

-1.0

-0.6