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 Karthus Renata Glasc synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Renata Glasc, 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 Renata Glasc. His KDA went down from NaN to NaN. This fall shows that Renata Glasc helps Karthus perform poorer in competitive LoL matches. Yet, the small difference indicates that this performance change is only marginal.
When Karthus plays on the same team as Renata Glasc, he observes a marginal improvement in his full damage dealt. This difference could signal that Renata Glasc provides cover for him to dish out more damage or that their allyship also helps increase the match's duration. Similarly, when Karthus is played with Renata Glasc on the same side, he usually scores many fewer killing sprees than when he plays without Renata Glasc. This is contrasting evidence that he is worse when playing alongside Renata Glasc.
Moreover, when Karthus plays with Renata Glasc on the same side, he often takes more damage than when he fights alone. Receiving more damage may indicate that Renata Glasc does a poor job of covering Karthus in teamfights.
There is no perfect synergy for Karthus that will 100% of the time be his top ally. Yet, overall, Renata Glasc is a pretty good ally for Karthus. By being on the same team as Karthus, they raises their win rate by 1.2% to 48.5%. This proves that there is a somewhat important bond between Karthus and Renata Glasc that allows them to perform stronger together than alone.
Renata Glasc has a greater difficulty than Karthus. That means Karthus players must be careful when enlisting Renata Glasc allies to fight alongside, as they will have to have a greater level of skill to work well with you.
Working alongside, Karthus players should witness an overall large increase in your team’s capability to deal magic damage. Combined, these two are able to dish out a surprising amount of magic type damage.
Although, by aligning Karthus and Renata Glasc together, you may not be giving your other allies a lot of sustained damage output. Plan to pick other champs on your team that helps cover this hole in their capabilities.
Regardless of your Renata Glasc ally's skill level, you need to focus on increasing your income, warding to avoid ambushes, and clearing objectives. If you do this, you should do well, regardless.
To learn all of the intricacies of Karthus in order to work well with Renata Glasc during both the lane and mid / late game phases of League games, you should continue reading to gather additional tips and tricks for this champion pairing. If you listen to the build and suggestions displayed here, you should grow your win rate by a lot.
The most important finished items to prioritize in your Karthus and Renata Glasc synergy build include Rabadon's Deathcap, Malignance, and Shadowflame. When Karthus combined at least these three pieces in his build, he did much better as an ally of Renata Glasc than with many other common builds. In fact, Karthus boasted an average win rate of 48.5% helping carry Renata Glasc with these items in his kit.
To have the highest likelihood of coming out on top against your oponents, Karthus players should use the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Gathering Storm, and Transcendence runes from the Domination and Sorcery rune sets. Out of all the rune builds we have analyed for this champion pairing, this set of runes resulted in the highest win rate. Notably, these runes provided a 48.5% win rate overall.
By default, tips, statistics, and builds on how to synergize Renata Glasc with Karthus are presented for all skill levels, merged. To filter the statistics and builds to a distinct player tier, you can use the selection menu located earlier in the counter matchup guide.