Stats
Q
W
E
R
Emerald + tier, with a 48.37% win rate and a 1.92% 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 52.05% win rate and weakest at 30-35 minutes with a 46.17% win rate.Core Builds
   | 15.17%351 Games | 50.43% |
 | 10.41%241 Games | 50.62% |
 | 9.33%216 Games | 49.54% |
| 5.96%138 Games | 52.17% |
| 5.79%134 Games | 48.51% |
 | 4.02%93 Games | 61.29% |
| 2.07%48 Games | 60.42% |
 | 1.99%46 Games | 45.65% |
 | 1.94%45 Games | 44.44% |
| 1.73%40 Games | 42.5% |
| 1.73%40 Games | 45% |
| 1.73%40 Games | 40% |
| 1.38%32 Games | 68.75% |
| 1.34%31 Games | 58.06% |
| 1.21%28 Games | 75% |
Boots
 | 99.34%3,030 Games | 50.26% |
 | 0.56%17 Games | 35.29% |
 | 0.03%1 Games | 0% |
 | 0.03%1 Games | 100% |
 | 0.03%1 Games | 0% |
Starter Items
  | 53.96%1,813 Games | 48.7% |
| 23.93%804 Games | 50.62% |
 | 10.8%363 Games | 48.76% |
| 9.08%305 Games | 48.85% |
| 0.48%16 Games | 56.25% |
| 0.33%11 Games | 72.73% |
 | 0.27%9 Games | 44.44% |
 | 0.21%7 Games | 0% |
 | 0.18%6 Games | 33.33% |
| 0.15%5 Games | 40% |
| 0.12%4 Games | 75% |
| 0.09%3 Games | 33.33% |
| 0.06%2 Games | 0% |
| 0.06%2 Games | 100% |
 | 0.06%2 Games | 50% |
Items
| 85.31%2,961 Games | 50.12% |
| 61.16%2,123 Games | 51.86% |
| 42.18%1,464 Games | 50.96% |
| 38.89%1,350 Games | 55.11% |
| 25.38%881 Games | 52.55% |
| 24.09%836 Games | 50.84% |
| 18.9%656 Games | 51.83% |
| 18.84%654 Games | 44.04% |
 | 7.43%258 Games | 39.92% |
 | 6.57%228 Games | 87.72% |
 | 4.58%159 Games | 51.57% |
 | 3.08%107 Games | 47.66% |
 | 3.03%105 Games | 60.95% |
 | 3%104 Games | 57.69% |
 | 1.47%51 Games | 50.98% |
 | 0.72%25 Games | 52% |
 | 0.61%21 Games | 38.1% |
 | 0.49%17 Games | 76.47% |
 | 0.17%6 Games | 83.33% |
 | 0.17%6 Games | 16.67% |
 | 0.12%4 Games | 0% |
 | 0.06%2 Games | 50% |
 | 0.06%2 Games | 100% |
 | 0.06%2 Games | 100% |
 | 0.06%2 Games | 100% |
 | 0.03%1 Games | 100% |
 | 0.03%1 Games | 0% |
 | 0.03%1 Games | 0% |
 | 0.03%1 Games | 0% |
 | 0.03%1 Games | 0% |