Stats
Q
W
E
R
Platinum + tier, with a 49.49% win rate and a 1.83% 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 40+ minutes with a 51.85% win rate and weakest at 25-30 minutes with a 48.49% win rate.Core Builds
   | 21.05%48 Games | 47.92% |
 | 13.16%30 Games | 66.67% |
| 7.02%16 Games | 62.5% |
 | 4.82%11 Games | 63.64% |
 | 4.39%10 Games | 40% |
| 4.39%10 Games | 40% |
| 3.07%7 Games | 42.86% |
| 2.63%6 Games | 66.67% |
| 2.19%5 Games | 60% |
| 2.19%5 Games | 20% |
 | 1.75%4 Games | 25% |
 | 1.32%3 Games | 100% |
| 1.32%3 Games | 100% |
| 1.32%3 Games | 66.67% |
| 1.32%3 Games | 66.67% |
Boots
 | 98.53%335 Games | 47.76% |
 | 0.88%3 Games | 0% |
 | 0.29%1 Games | 0% |
 | 0.29%1 Games | 0% |
Starter Items
  | 47.95%175 Games | 42.86% |
| 24.66%90 Games | 46.67% |
 | 13.15%48 Games | 43.75% |
| 12.05%44 Games | 52.27% |
 | 0.27%1 Games | 100% |
 | 0.27%1 Games | 100% |
| 0.27%1 Games | 100% |
 | 0.27%1 Games | 0% |
| 0.27%1 Games | 0% |
2 | 0.27%1 Games | 0% |
 | 0.27%1 Games | 100% |
 | 0.27%1 Games | 100% |
Items
| 79.01%286 Games | 46.85% |
| 61.05%221 Games | 49.32% |
| 49.17%178 Games | 47.75% |
| 31.22%113 Games | 58.41% |
| 27.62%100 Games | 47% |
| 20.99%76 Games | 52.63% |
| 14.92%54 Games | 46.3% |
 | 13.26%48 Games | 58.33% |
| 6.63%24 Games | 79.17% |
 | 6.35%23 Games | 34.78% |
 | 4.14%15 Games | 80% |
 | 1.38%5 Games | 80% |
 | 1.38%5 Games | 60% |
 | 0.83%3 Games | 33.33% |
 | 0.83%3 Games | 66.67% |
 | 0.55%2 Games | 100% |
 | 0.55%2 Games | 50% |
 | 0.28%1 Games | 0% |
 | 0.28%1 Games | 100% |
 | 0.28%1 Games | 0% |