Stats
Q
W
E
R
Emerald + tier, with a 49.68% win rate and a 2.08% pick rate. Current rank of the champion is 4 Tier, and the most popular core items include 
(
, 
, 
, 
) for primary path and 
(
, 
) for secondary path.
Karthus strong against 
, 
and 
but weak against Karthus include 
, 
, and 
.
Karthus performs strongest at 0-25 minutes with a 50.83% win rate and weakest at 35-40 minutes with a 47.1% win rate.Core Builds
   | 20%16 Games | 31.25% |
 | 16.25%13 Games | 46.15% |
 | 8.75%7 Games | 28.57% |
 | 5%4 Games | 50% |
| 5%4 Games | 50% |
 | 3.75%3 Games | 66.67% |
 | 3.75%3 Games | 66.67% |
| 2.5%2 Games | 100% |
| 2.5%2 Games | 50% |
| 2.5%2 Games | 50% |
| 2.5%2 Games | 0% |
| 2.5%2 Games | 50% |
 | 1.25%1 Games | 0% |
| 1.25%1 Games | 0% |
| 1.25%1 Games | 0% |
Boots
 | 98%98 Games | 41.84% |
 | 2%2 Games | 0% |
Starter Items
  | 46.9%53 Games | 33.96% |
| 25.66%29 Games | 41.38% |
 | 13.27%15 Games | 53.33% |
| 7.96%9 Games | 44.44% |
 | 0.88%1 Games | 0% |
 | 0.88%1 Games | 100% |
| 0.88%1 Games | 100% |
| 0.88%1 Games | 0% |
| 0.88%1 Games | 100% |
 | 0.88%1 Games | 0% |
| 0.88%1 Games | 0% |
Items
| 89.08%106 Games | 43.4% |
| 67.23%80 Games | 42.5% |
| 43.7%52 Games | 44.23% |
| 43.7%52 Games | 40.38% |
| 29.41%35 Games | 40% |
| 20.17%24 Games | 50% |
| 17.65%21 Games | 28.57% |
| 15.97%19 Games | 63.16% |
 | 9.24%11 Games | 27.27% |
 | 5.04%6 Games | 66.67% |
 | 3.36%4 Games | 50% |
| 1.68%2 Games | 50% |
 | 1.68%2 Games | 100% |
 | 1.68%2 Games | 50% |
 | 0.84%1 Games | 100% |