Stats
Q
W
E
R
Emerald + tier, with a 49.46% win rate and a 1.70% 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 35-40 minutes with a 52.22% win rate and weakest at 25-30 minutes with a 47.71% win rate.Core Builds
   | 17.07%1,697 Games | 50.8% |
 | 10.63%1,057 Games | 51.84% |
 | 9.88%982 Games | 48.27% |
| 5.25%522 Games | 53.83% |
| 4.41%438 Games | 47.95% |
 | 4.06%404 Games | 65.59% |
 | 2.84%282 Games | 52.13% |
| 2.09%208 Games | 47.6% |
 | 1.98%197 Games | 43.15% |
| 1.9%189 Games | 58.2% |
| 1.87%186 Games | 54.3% |
| 1.75%174 Games | 63.79% |
| 1.7%169 Games | 46.15% |
| 1.38%137 Games | 52.55% |
| 1.18%117 Games | 41.03% |
Boots
 | 98.77%13,052 Games | 49.9% |
 | 0.82%109 Games | 43.12% |
 | 0.21%28 Games | 46.43% |
 | 0.08%11 Games | 63.64% |
 | 0.05%6 Games | 16.67% |
Starter Items
  | 50.29%7,238 Games | 49.71% |
| 25.75%3,706 Games | 49.43% |
 | 11.51%1,656 Games | 46.74% |
| 10.07%1,449 Games | 49.48% |
 | 0.57%82 Games | 43.9% |
| 0.38%54 Games | 53.7% |
| 0.24%34 Games | 52.94% |
 | 0.22%32 Games | 56.25% |
 | 0.16%23 Games | 60.87% |
| 0.13%18 Games | 33.33% |
| 0.11%16 Games | 62.5% |
 | 0.09%13 Games | 30.77% |
| 0.07%10 Games | 20% |
| 0.06%8 Games | 50% |
| 0.04%6 Games | 100% |
Items
| 84.46%11,955 Games | 50.41% |
| 63.87%9,040 Games | 51.95% |
| 39.88%5,644 Games | 56.34% |
| 38.7%5,478 Games | 49.85% |
| 24.54%3,474 Games | 53.91% |
| 23.64%3,346 Games | 51.46% |
| 19.85%2,810 Games | 55.02% |
| 19.56%2,768 Games | 47.07% |
 | 7.38%1,044 Games | 40.61% |
 | 6.51%922 Games | 88.72% |
 | 3.84%544 Games | 62.13% |
 | 2.95%418 Games | 52.87% |
 | 2.59%366 Games | 50.27% |
 | 2.04%289 Games | 59.86% |
 | 0.92%130 Games | 57.69% |
 | 0.78%110 Games | 54.55% |
 | 0.61%86 Games | 51.16% |
 | 0.59%83 Games | 56.63% |
 | 0.13%19 Games | 57.89% |
 | 0.11%15 Games | 26.67% |
 | 0.11%15 Games | 26.67% |
 | 0.09%13 Games | 61.54% |
 | 0.07%10 Games | 50% |
 | 0.06%9 Games | 44.44% |
 | 0.06%8 Games | 50% |
 | 0.05%7 Games | 71.43% |
 | 0.04%5 Games | 80% |
 | 0.04%5 Games | 0% |
 | 0.03%4 Games | 25% |
 | 0.03%4 Games | 50% |