Stats
Q
W
E
R
Emerald + tier, with a 49.21% win rate and a 2.01% 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 51.14% win rate and weakest at 30-35 minutes with a 48.47% win rate.Core Builds
   | 13.43%1,824 Games | 54.11% |
 | 12.92%1,755 Games | 50.83% |
 | 8.41%1,143 Games | 47.94% |
| 6.62%899 Games | 52.5% |
| 5.45%741 Games | 48.99% |
 | 3.87%526 Games | 70.91% |
 | 2.78%378 Games | 47.09% |
| 2.02%274 Games | 40.51% |
| 2.02%274 Games | 64.96% |
| 1.76%239 Games | 47.28% |
 | 1.71%232 Games | 44.4% |
| 1.63%221 Games | 63.35% |
| 1.48%201 Games | 49.75% |
| 1.48%201 Games | 66.67% |
| 1.1%150 Games | 46% |
Boots
 | 98.96%17,525 Games | 50.28% |
 | 0.64%114 Games | 42.11% |
 | 0.13%23 Games | 43.48% |
 | 0.1%17 Games | 29.41% |
 | 0.1%17 Games | 41.18% |
Starter Items
  | 48.95%9,389 Games | 49.92% |
| 26.82%5,144 Games | 48.19% |
 | 10.97%2,104 Games | 49.9% |
| 10.8%2,071 Games | 46.93% |
 | 0.56%107 Games | 50.47% |
| 0.36%70 Games | 68.57% |
| 0.3%57 Games | 57.89% |
 | 0.24%46 Games | 47.83% |
| 0.14%26 Games | 65.38% |
| 0.13%25 Games | 48% |
 | 0.11%22 Games | 59.09% |
| 0.1%20 Games | 55% |
 | 0.06%12 Games | 41.67% |
| 0.06%11 Games | 63.64% |
| 0.05%10 Games | 70% |
Items
| 83.32%16,186 Games | 50.7% |
| 61.22%11,893 Games | 52.07% |
| 44.65%8,673 Games | 49.31% |
| 39.86%7,743 Games | 57.32% |
| 24.42%4,744 Games | 52.7% |
| 22.71%4,412 Games | 52.4% |
| 20.61%4,003 Games | 45.17% |
| 19.98%3,881 Games | 54.88% |
 | 6.33%1,229 Games | 39.54% |
 | 6.08%1,182 Games | 90.02% |
 | 4.74%921 Games | 57.55% |
 | 3.09%601 Games | 52.75% |
 | 2.87%557 Games | 53.32% |
 | 2.49%483 Games | 54.87% |
 | 1.7%331 Games | 59.52% |
 | 0.76%148 Games | 55.41% |
 | 0.64%124 Games | 52.42% |
 | 0.61%119 Games | 52.94% |
 | 0.39%75 Games | 48% |
 | 0.18%35 Games | 31.43% |
 | 0.16%31 Games | 41.94% |
 | 0.15%30 Games | 13.33% |
 | 0.08%15 Games | 80% |
 | 0.07%14 Games | 42.86% |
 | 0.06%11 Games | 81.82% |
 | 0.05%9 Games | 55.56% |
 | 0.04%7 Games | 57.14% |
 | 0.03%6 Games | 16.67% |
 | 0.03%5 Games | 20% |
 | 0.03%5 Games | 20% |