Sivir's Boomerang Blade returns to her after reaching the max range, so you can shift position to hit enemies who would otherwise have evaded it.
Try saving Spell Shield for enemy abilities that can disable you such as stuns and roots.
Ricochet resets Sivir's basic attack timer on activation, so activating this immediately after landing a normal basic attack will maximize damage output.
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 Sivir 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, Sivir sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Karthus. His KDA decreased from NaN to NaN. This negative change shows that Karthus helps Sivir perform not as well in competitive League matches. Yet, the small difference shows that this performance change is not very impactful.
When Sivir plays on the same team as Karthus, she observes a small increase in her complete damage output. This could signal that Karthus supports by providing protection for her to deal more damage or that his presence also helps extend the round's duration. Similarly, when Sivir is played with Karthus on the same team, he usually scores many fewer killing sprees compared to when she plays without Karthus. This is contrasting evidence that she is worse when playing alongside Karthus.
Additionally, when Sivir plays with Karthus on the same side, she typically receives much more damage than when she plays alone. Receiving more damage could mean that Karthus does a poor job of covering Sivir in team fights.
There is no ideal synergy for Sivir that will no matter what be her top synergy. However, overall, Karthus is a terrible teammate for Sivir. By locking into the same side as Sivir, he drops their win rate by -5.2% to 42.7%. This signals that there is an easy to overcome and exploit synergy between Sivir and Karthus that allows them to perform worse together than alone.
Karthus has a greater difficulty than Sivir. That means you need to be cautious when finding Karthus comrades to play with, as they will need a greater level of skill to play well with you.
When playing cooperatively, Sivir players should observe an overall large increase in your team’s capability to destroy wih physical damage. Together, these champions can tear through the other team with a lot of physcial damage.
In contrast, by grouping Sivir and Karthus together, you probably will not be providing your team a lot of tankyness. Plan to include other champs on your team that nullifies this relative gap in their potential.
Regardless of the skill of your Karthus ally, you should focus on increasing your income, outlasting your enemies, and taking down objectives. If you do this, you should do well anyway.
To learn all of the intricacies of Sivir to work well with Karthus during both the laning and mid / late game phases of LoL rounds, you should keep reading to pick up a few extra tips and tricks for this champion pairing. If you pay attention to the build and stats displayed above, you will increase your win rate by a lot.
The most crucial items to include in your Sivir and Karthus synergy build include Phantom Dancer, Kraken Slayer, and Navori Quickblades. When Sivir incorporated at least these three finished items in her build, she performed much better when paired up with Karthus than with many other typical item sets. In fact, Sivir boasted an average win rate of 42.7% helping carry Karthus with this build.
To have the best likelihood of beating your oponents, you should take the Lethal Tempo, Presence of Mind, Legend: Bloodline, Coup de Grace, Biscuit Delivery, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune combinations we have analyed for Sivir and Karthus pairings, this composite of runes yielded the highest win rate. In fact, these runes gave a 42.7% win rate overall.
By default, tips, stats, and builds on how to pair Karthus with Sivir are given for all ranked divisions. To filter the statistics and builds to a particular rank, you may use the selection menu located above.