Glitterlance can be fired at odd angles depending on where your cursor is - Moving your cursor closer to Pix and Lulu will change your area of effect size considerably.
Consider casting Help, Pix! on ranged attackers for the Pix boost and Wild Growth on Tanks or Fighters for the added initiation power.
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 Lulu Karthus synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Karthus, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Lulu sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA went down from NaN to NaN. This fall shows that Karthus helps Lulu perform worse in ranked LoL rounds. Yet, the small difference shows that this performance change is not very impactful.
When Lulu tries to synergize with Karthus, she observes a barely noticable drop in her full damage output. This change could demonstrate that Karthus does not help cover for her to deal more damage or that his presence also helps extend the match's duration. Similarly, when Lulu is played with Karthus on the same side, he usually scores many fewer killing sprees compared to when she plays on his own. This is contrasting evidence that she is worse when playing alongside Karthus.
Additionally, when Lulu plays with Karthus on the same side, she typically receives a little more damage than when she plays alone. Taking more damage may indicate that Karthus does a poor job of protecting Lulu during teamfights.
There is no universally accepted best champion pairing for Lulu that will 100% of the time be her top synergy. However, Karthus is a terrible companion for Lulu. By locking into the same team as Lulu, he drops their win rate by -6.1% to 40.8%. This proves that there is a terrible bond between Lulu and Karthus that results in them performing worse together than without each other.
Karthus has a greater difficulty than Lulu. That means Lulu players need to be cautious when lining up Karthus teammates to play with, as they will have to have a greater level of skill to be able to work well with you.
Working on the same side, you will likely observe an overall large increase in your team’s ability to deal magic damage. Together, these two can deal quite a lot of AP type damage.
Conversely, by aligning Lulu and Karthus together, you may not be giving your side enough anti-tank damage dealing potential. Make sure to bring other champions on your team that neutralizes this relative gap in this pairing's capabilities.
Regardless of the skill of your Karthus teammate, you need to focus on maximizing your income, staying alive by avoiding foolish fights, and taking down objectives. If you follow these simple suggestions, you will do well anyway.
If you would like to truly master Lulu to synergize with Karthus during both the lane and mid / late game phases of League matches, you should continue reading to learn a few extra tips and tricks for this champion pairing. If you pay attention to the build and suggestions shown above, you should grow your win rate by a lot.
The most crucial finished items to build first in your Lulu and Karthus synergy build include Ardent Censer, Dream Maker, and Staff of Flowing Water. When Lulu used at least these three items in her build, she performed significantly better when paired up with Karthus than with most other commonly used builds. In fact, Lulu boasted an average win rate of 40.8% when playing alongside Karthus with these items in her kit.
To have the best probability of vanquishing your oponents, Lulu players should use the Summon Aery, Manaflow Band, Transcendence, Scorch, Biscuit Delivery, and Cosmic Insight runes from the Sorcery and Inspiration rune sets. Of all the rune builds that we analyzed for this champion pairing, this mix of runes yielded the best win rate. Moreover, these runes averaged a 40.8% winrate overall.
By default, tips, stats, and builds on how to pair Karthus with Lulu are given for all skill levels, merged. If you want to scope the statistics and builds to an individual division, you should use the selection menu located earlier on the page.