Karthus with Sion
How to Synergize Karthus and Sion
based on 1,467 Karthus with Sion pairsHow We Analyze Champion Pairings in LoL
Karthus Sion Synergy Summary
Best Karthus vs Sion Counter Build
Items
Starter Items
Early Items
Core Karthus Items
Optional Items
Summoner Spells
Skill Order
Runes
Guide to Synergizing Karthus and Sion
Tips for Playing as Karthus with Sion
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.
Advice to Understand How Sion Will Play
Roar of the Slayer is a great setup ability to land a very powerful Decimating Smash.
The Soul Furnace buff displays how much shield strength is remaining, use this information to time its explosion perfectly.
You only have very slight turning ability during Unstoppable Onslaught, so make sure to use it in straight paths.
Karthus Sion Synergy Stats
How to Play with Sion as Karthus in LoL
The Karthus Sion synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Sion, 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 Sion. His KDA decreased from NaN to NaN. This negative change shows that Sion helps Karthus perform poorer in competitive League rounds. Yet, the small difference proves that this performance change is not very impactful.
When Karthus plays on the same team as Sion, he sees a sizeable uptick in his complete damage output. This may demonstrate that Sion supports by providing cover for him to dish out more damage or that his presence on the team also helps increase the match's duration. Similarly, when Karthus is played alongside Sion 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 with Sion.
Moreover, when Karthus plays with Sion on the same side, he typically takes more damage than when he plays alone. Taking more damage may indicate that Sion does a poor job of covering Karthus during team fights.
Synergies between Karthus and Sion
Damage Types Compared
Champion Playstyles Contrasted
Is Karthus better when played alongside Sion?
There is no ideal ally for Karthus that will no matter what be his #1 synergy. However, overall, Sion is a very typical ally for Karthus. By being on the same team as Karthus, he lowers their win rate by -0.4% to 46.9%. This shows that there is not really a strong synergy between Karthus and Sion that allows them to perform worse together than without each other.
Sion has a lower difficulty than Karthus. That means you don't need to be careful when arranging Sion allies to play with, as they will need a relatively low level of skill to play well with you.
When playing on the same side, you should expect to see an overall large increase in your team’s ability to deal magical damage. Combined, these champions are able to dish out a surprising amount of magic type damage.
Conversely, by grouping Karthus and Sion together, you probably will not be granting your other allies much sustained damage output. We recommend you bring other champs on your team that nullifies this gap in their capabilities.
Regardless of your Sion ally's skill level, you need to focus on maximizing your gold income, staying alive by avoiding foolish fights, and taking down objectives. If you follow these simple suggestions, you will do well, regardless.
Other Champion Matchups Against Karthus
Other Top Synergies by Role
Additional Information for Karthus Players
How We Calculated Our Karthus Sion Synergy Build and Stats
Other Useful Resources
Further Insights to Win with this Champion Pairing
To learn all of the intricacies of Karthus to work well with Sion during both the lane and mid / late game phases of League of Legends matches, you should continue reading to gather additional tricks and insights into this champion pairing. If you listen to the build and stats shown above, you will increase your win rate significantly.
The most crucial finished items to have in your Karthus and Sion synergy build include Rabadon's Deathcap, Shadowflame, and Stormsurge. When Karthus included at least these three pieces in his build, he performed significantly better as an ally of Sion than with many other common item sets. In fact, Karthus boasted an average win rate of 46.9% helping carry Sion with these items in his kit.
To have the highest likelihood of defeating your oponents, you should use the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Gathering Storm, and Transcendence runes from the Domination and Sorcery rune sets. Of all the runes players used for Karthus and Sion pairings, this combination of runes yielded the top win rate. Moreover, these runes provided a 46.9% winrate overall.
If you want to get Karthus and Sion collaboration tips and builds for a a distinct player tier, please choose one from the selection menu displayed above. If viewing for the first time, the statistics and strategies displayed are computed using every round completed with both champs.