Communication is key when making use of Thresh's lantern. Let your teammates know how you like to use it.
Death Sentence and Flay can be combined in either cast order for powerful combinations.
Thresh can collect souls without needing to kill units himself. Planning your map position to be near the most deaths will help to maximize soul collection.
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.
The Thresh Karthus synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Karthus, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Thresh sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA fell from NaN to NaN. This drop shows that Karthus helps Thresh perform not as well in ranked League of Legends games. Yet, the small difference indicates that this performance change is not very impactful.
When Thresh tries to synergize with Karthus, he gets a marginal improvement in his complete damage dealt. This difference may demonstrate that Karthus provides protection for him to dish out more damage or that his support also helps increase the round's duration. Similarly, when Thresh is played alongside Karthus on the same side, he usually scores many fewer killing sprees than when he plays without Karthus. This is contrasting evidence that he is worse when playing synergisticly with Karthus.
Additionally, when Thresh plays with Karthus on the same team, he often takes more damage than when he fights alone. Receiving more damage could indicate that Karthus does a poor job of protecting Thresh in team fights.
There is no top champion pairing for Thresh that will always be his best synergy. Yet, Karthus is a terrible teammate for Thresh. By locking into the same side as Thresh, he decreases their win rate by -3.6% to 44.9%. This proves that there is an easy to overcome and exploit bond between Thresh and Karthus that results in them performing not as well together than alone.
Karthus has a lower difficulty than Thresh. That means you don't need to be very careful when lining up Karthus comrades to go into battle on the same side as, as they will need a lower level of skill to do well with you.
Playing cooperatively, you will likely observe an overall large increase in your team’s ability to deal magical damage. When paired, these two are able to dish out a surprising amount of magic type damage.
Although, by pairing Thresh and Karthus together, you may not be providing your team very much anti-tank damage dealing potential. Plan to include other champions on your team that helps cover this gap in their abilities.
Regardless of the skill of your Karthus ally, you need to focus on maximizing your income, staying alive by avoiding foolish fights, and clearing objectives. If you do this, you will do well, regardless.
If you would like to learn all of the intricacies of Thresh in order to work well with Karthus during both the laning and mid / late game phases of LoL rounds, you should keep reading to learn additional tips and tricks for this champion pairing. If you listen to the build and tips presented here, you will grow your win rate significantly.
The most important items to include in your Thresh and Karthus synergy build include Zeke's Convergence, Knight's Vow, and Solstice Sleigh. When Thresh incorporated at least these three items in his build, he did significantly better as an ally of Karthus than with many other commonly used item sets. In fact, Thresh boasted an average winrate of 44.9% when playing alongside Karthus with this build.
To have the greatest probability of coming out on top against your oponents, you should equip the Glacial Augment, Hextech Flashtraption, Biscuit Delivery, Cosmic Insight, Bone Plating, and Unflinching runes from the Inspiration and Resolve rune sets. Out of all the runes that we analyzed for this champion pairing, this sequence of runes resulted in the highest win rate. Moreover, these runes averaged a 44.9% winrate overall.
If you would like to see Thresh and Karthus collaboration tips and builds for a a specific player tier, feel free to select one from the selection menu above. If viewing for the first time, the stats and strategies displayed are computed using all games finished with these champs.