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.
Make sure to buy items that will evolve at least 1 or 2 of your spells.
Work with your teammates to set up your Ultimate and optimize damage with your passive.
Try to catch enemy carries alone to burst them with Icathian Rain.
The Sion Kai'Sa synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kai'Sa, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Sion sees a large worsening in his KDA (ratio of kills and assists to deaths) when paired with Kai'Sa. His KDA fell from NaN to NaN. This drop shows that Kai'Sa helps Sion perform not as well in ranked League rounds. Yet, the small difference demonstrates that this performance change is not very impactful.
When Sion plays on the same team as Kai'Sa, he observes a marginal improvement in his complete damage output. This difference may demonstrate that Kai'Sa supports by providing protection for him to dish out more damage or that her presence also helps increase the match's duration. Similarly, when Sion is played alongside Kai'Sa on the same side, he usually scores many fewer killing sprees than when he plays without Kai'Sa. This is contrasting evidence that he is worse when playing alongside Kai'Sa.
Additionally, when Sion plays with Kai'Sa on the same team, he on average takes a little more damage than when he plays alone. Receiving more damage may indicate that Kai'Sa does a poor job of protecting Sion in teamfights.
There is no top companion for Sion that will no matter what be his ideal ally. However, overall, Kai'Sa is a terrible ally for Sion. By playing on the same side as Sion, she lowers their win rate by -3.5% to 46.7%. This clearly indicates that there is a very bad bond between Sion and Kai'Sa that allows them to perform worse together than without each other.
Kai'Sa has a greater difficulty than Sion. That means Sion players need to be cautious when enlisting Kai'Sa comrades to go into battle on the same side as, as they will require a greater level of skill to be able to cooperate well with you.
When playing cooperatively, you will likely witness an overall large increase in your team’s capacity to soak up damage. Combined, these champions might be able to provide enough cover for their team's carries.
Conversely, by grouping Sion and Kai'Sa together, you will not be granting your other teammates much magical damage output. Plan to bring other champions on your team that neutralizes this hole in this pairing's capabilities.
Regardless of your Kai'Sa ally's skill level, you should focus on maximizing your income, warding to avoid ambushes, and clearing objectives. If you follow these simple suggestions, you should do well, regardless.
To truly master Sion to synergize with Kai'Sa during both the laning and mid / late game phases of League of Legends games, you should continue reading to master a few extra tricks and insights into this champion pairing. If you listen to the build and stats presented here, you will increase your win rate by a lot.
The most important items to focus on in your Sion and Kai'Sa synergy build consist of Sunfire Aegis, Thornmail, and Titanic Hydra. When Sion used at least these three items in his build, he performed much better when fighting alongside Kai'Sa than with many other common builds. In fact, Sion boasted an average win rate of 46.7% helping carry Kai'Sa with this build.
To have the highest chance of defeating your oponents, Sion players should use the Grasp of the Undying, Demolish, Conditioning, Overgrowth, Approach Velocity, and Minion Dematerializer runes from the Resolve and Inspiration rune sets. Out of all the rune builds players used for this champion pairing, this order of runes yielded the greatest win rate. Moreover, these runes gave a 46.7% win rate overall.
If you would like to get Sion and Kai'Sa cooperations tips and builds for a an individual player tier, feel free to choose one from the selection menu above. By default, the statistics and strategies shown are calculated using every game with data with both champions.