Stats
Q
W
E
R
Emerald + tier, with a 49.64% 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 50.99% win rate and weakest at 35-40 minutes with a 47.07% win rate.Core Builds
   | 24.24%8 Games | 25% |
  | 9.09%3 Games | 66.67% |
| 9.09%3 Games | 66.67% |
| 6.06%2 Games | 50% |
| 6.06%2 Games | 50% |
 | 6.06%2 Games | 100% |
 | 6.06%2 Games | 50% |
 | 3.03%1 Games | 100% |
 | 3.03%1 Games | 0% |
| 3.03%1 Games | 100% |
 | 3.03%1 Games | 0% |
 | 3.03%1 Games | 0% |
| 3.03%1 Games | 0% |
 | 3.03%1 Games | 100% |
| 3.03%1 Games | 0% |
Boots
 | 100%42 Games | 45.24% |
Starter Items
  | 41.86%18 Games | 33.33% |
| 34.88%15 Games | 46.67% |
 | 13.95%6 Games | 33.33% |
| 9.3%4 Games | 75% |
Items
| 90.91%40 Games | 42.5% |
| 70.45%31 Games | 35.48% |
| 61.36%27 Games | 48.15% |
| 36.36%16 Games | 37.5% |
| 31.82%14 Games | 50% |
| 27.27%12 Games | 25% |
| 22.73%10 Games | 50% |
| 13.64%6 Games | 33.33% |
 | 4.55%2 Games | 50% |
| 4.55%2 Games | 100% |
| 4.55%2 Games | 50% |
 | 2.27%1 Games | 0% |
 | 2.27%1 Games | 0% |
| 2.27%1 Games | 0% |
 | 2.27%1 Games | 0% |
| 2.27%1 Games | 0% |