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.
Calm down, breathe, and focus.
Each stroke requires precision and intention.
The Karthus Hwei synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Hwei, 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 Hwei. His KDA fell from NaN to NaN. This decrease shows that Hwei helps Karthus perform worse in ranked League rounds. Yet, the small difference indicates that this performance change is not very impactful.
When Karthus tries to synergize with Hwei, he gets a little increase in his full damage dealt. This change may signal that Hwei supports by providing protection for him to deal more damage or that their presence on the team also helps extend the round's duration. Similarly, when Karthus is played together with Hwei 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 Hwei.
Additionally, when Karthus plays with Hwei on the same side, he often takes more damage than when he fights alone. Getting dealt more damage may indicate that Hwei does a poor job of covering Karthus in teamfights.
There is no one best champion pairing for Karthus that will 100% of the time be his top synergy. However, Hwei is a terrible teammate for Karthus. By playing on the same side as Karthus, they drops their win rate by -6.7% to 40.6%. This demonstrates that there is a very bad bond between Karthus and Hwei that allows them to perform not as well together than without each other.
Hwei has a greater difficulty than Karthus. That means you need to be careful when lining up Hwei allies to go into battle on the same side as, as they will require a greater level of skill to work well with you.
Playing together, you will likely see an overall large increase in your team’s capability to deal magic damage. Together, these champs can deal quite a lot of AP type damage.
In contrast, by aligning Karthus and Hwei together, you probably will not be granting your team much engage potential. We recommend you bring other champs on your team that neutralizes this gap in this pairing's playstyle.
Regardless of your Hwei ally's ability, you need to focus on increasing your gold income, outlasting your enemies, and clearing objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master Karthus in order to work well with Hwei during both the lane and mid / late game phases of LoL games, you should keep reading to pick up some more tips and tricks for this champion pairing. If you listen to the build and tips shown here, you will increase your win rate significantly.
The top items to have in your Karthus and Hwei synergy build include Rabadon's Deathcap, Shadowflame, and Liandry's Torment. When Karthus included at least these three pieces in his build, he performed much better when paired up with Hwei than with many other typical builds. In fact, Karthus had an average winrate of 40.6% helping carry Hwei with this build.
To have the best likelihood of vanquishing your oponents, you should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the runes players picked for Karthus and Hwei pairings, this combo of runes yielded the best win rate. Moreover, these runes averaged a 40.6% winrate overall.
If you would like to view Karthus and Hwei synergy tips and builds for a a distinct rank, feel free to select one from the selection menu provided above. By default, the stats and tips and suggestions shown are computed using every match played with both champions.