Lay Waste is very strong at farming minions and harassing enemy champions.
Ask your allies to help point out when you should use Requiem to get kills in different lanes.
Nami's ultimate can come in very handy for initiating on enemies who are far away.
Using Ebb and Flow during an engagement with enemy champions will help sway the battle in your favor.
Aqua Prison has a long cooldown, make sure to use it at the right moment.
The Karthus Nami synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Nami, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Karthus sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Nami. His KDA fell from NaN to NaN. This negative change shows that Nami helps Karthus perform poorer in competitive League of Legends games. Yet, the small difference indicates that this performance change is not very impactful.
When Karthus tries to synergize with Nami, he gets a barely noticable drop in his complete damage dealt. This change could indicate that Nami does not help protection for him to dish out more damage or that her participation also helps extend the match's duration. Similarly, when Karthus is played together with Nami on the same side, he usually scores many fewer killing sprees compared to when he plays alone. This is contrasting evidence that he is worse when playing synergisticly with Nami.
Moreover, when Karthus plays with Nami on the same team, he usually receives a little more damage than when he plays alone. Taking more damage may indicate that Nami does a poor job of covering Karthus in teamfights.
There is no one best synergy for Karthus that will 100% of the time be his ideal teammate. However, overall, Nami is a relatively poor teammate for Karthus. By locking into the same side as Karthus, she drops their win rate by -2.6% to 44.7%. This clearly indicates that there is a negative synergy between Karthus and Nami that results in them performing not as well together than without each other.
Nami has a lower difficulty than Karthus. That means you don't need to be careful when finding Nami allies to go into battle on the same side as, as they will need a relatively low level of skill to cooperate well with you.
When playing together, Karthus players should see an overall large increase in your team’s capacity to to do a lot of AP damage. Combined, these champs can deal quite a lot of AP type damage.
Conversely, by pairing Karthus and Nami together, you may not be giving your team a lot of engage. Make sure to include other champs on your team that nullifies this gap in this pairing's playstyle.
Regardless of the skill of your Nami ally, you should focus on increasing your income, warding to avoid ambushes, and clearing objectives. If you heed this simple advice, you will do well, regardless.
If you would like to learn all of the intricacies of Karthus to synergize with Nami during both the laning and mid / late game phases of League of Legends matches, you should keep reading to pick up some more tricks and insights into this champion pairing. If you mind the build and stats presented above, you will increase your win rate significantly.
The best items to use in your Karthus and Nami synergy build include Rabadon's Deathcap, Malignance, and Stormsurge. When Karthus bought at least these three great items in his build, he did a lot better as an ally of Nami than with many other typical builds. In fact, Karthus had an average win rate of 44.7% when synergizing his build and playstyle to Nami with this build.
To have the highest likelihood of vanquishing your oponents, you should equip the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Presence of Mind, and Last Stand runes from the Domination and Precision rune sets. Out of all the rune sets that we analyzed for this team composition, this order of runes resulted in the greatest win rate. In fact, these runes gave a 44.7% winrate overall.
If you need to view Karthus with Nami collaboration tips and builds for a a particular skill level, please choose one from the selection menu displayed above. At first, the stats and guides given are calculated using all rounds finished with both champs.