Stats
Q
W
E
R
Emerald + tier, with a 49.25% win rate and a 1.60% pick rate. Current rank of the champion is 5 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 51.61% win rate and weakest at 30-35 minutes with a 48.08% win rate.Core Builds
   | 23.39%443 Games | 50.11% |
 | 10.45%198 Games | 53.54% |
| 6.71%127 Games | 49.61% |
 | 4.8%91 Games | 50.55% |
 | 4.44%84 Games | 50% |
| 3.43%65 Games | 58.46% |
| 2.59%49 Games | 57.14% |
| 2.22%42 Games | 52.38% |
| 2.22%42 Games | 40.48% |
 | 1.85%35 Games | 68.57% |
| 1.58%30 Games | 46.67% |
 | 1.53%29 Games | 24.14% |
| 1.53%29 Games | 51.72% |
| 1.48%28 Games | 42.86% |
| 1.43%27 Games | 66.67% |
Boots
 | 98.5%2,169 Games | 50.48% |
 | 1.41%31 Games | 51.61% |
 | 0.09%2 Games | 50% |
Starter Items
  | 53.78%1,309 Games | 49.5% |
| 24.24%590 Games | 50.34% |
 | 13.35%325 Games | 47.38% |
| 6.45%157 Games | 52.23% |
 | 0.37%9 Games | 0% |
 | 0.25%6 Games | 66.67% |
| 0.21%5 Games | 20% |
 | 0.21%5 Games | 80% |
| 0.16%4 Games | 50% |
| 0.16%4 Games | 50% |
| 0.08%2 Games | 50% |
 | 0.08%2 Games | 100% |
| 0.08%2 Games | 100% |
| 0.08%2 Games | 50% |
| 0.08%2 Games | 50% |
Items
| 76.06%1,894 Games | 49.95% |
| 66.31%1,651 Games | 50.58% |
| 60.36%1,503 Games | 53.03% |
| 46.55%1,159 Games | 55.91% |
| 32.37%806 Games | 49.5% |
| 25.54%636 Games | 52.36% |
| 18.23%454 Games | 50.44% |
| 14.34%357 Games | 53.5% |
 | 5.98%149 Games | 90.6% |
 | 3.94%98 Games | 36.73% |
 | 3.65%91 Games | 62.64% |
 | 2.65%66 Games | 59.09% |
 | 2.37%59 Games | 61.02% |
 | 2.05%51 Games | 56.86% |
 | 0.8%20 Games | 40% |
 | 0.44%11 Games | 45.45% |
 | 0.36%9 Games | 55.56% |
 | 0.36%9 Games | 66.67% |
 | 0.24%6 Games | 66.67% |
 | 0.24%6 Games | 50% |
 | 0.2%5 Games | 20% |
 | 0.16%4 Games | 100% |
 | 0.08%2 Games | 50% |
 | 0.08%2 Games | 50% |
 | 0.04%1 Games | 100% |
 | 0.04%1 Games | 0% |