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.
You can land an initial Mark of the Storm debuff on an opponent with Thundering Shuriken, and then add to it with Electrical Surge.
Lightning Rush can be used to initiate fights with its Energy return component, allowing him to use other abilities afterward.
You can stun your opponents by inflicting 3 Marks of the Storm upon them.
The Sion Kennen synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kennen, 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 very large drop in his KDA (ratio of kills and assists to deaths) when paired with Kennen. His KDA fell from NaN to NaN. This negative change shows that Kennen helps Sion perform not as well in competitive League of Legends matches. Yet, the small difference demonstrates that this performance change is not very impactful.
When Sion is an ally to Kennen, he gets a small decrease in his full damage dealt. This difference may signal that Kennen does not provide cover for him to dish out more damage or that his participation also helps increase the game's duration. Similarly, when Sion is played with Kennen on the same side, he usually scores many fewer killing sprees than when he plays without Kennen. This is contrasting evidence that he is worse when playing with Kennen.
Moreover, when Sion plays with Kennen on the same side, he often takes a little less damage than when he plays alone. Taking not as much damage could indicate that Kennen does a decent job of covering Sion in team fights.
There is no ideal synergy for Sion that will no matter what be his top synergy. Yet, Kennen is a very typical teammate for Sion. By locking into the same team as Sion, he improves their win rate by 0.6% to 50.8%. This demonstrates that there is not really a strong bond between Sion and Kennen that allows them to perform stronger together than without each other.
Kennen has a lower difficulty than Sion. That means you don't need to be cautious when lining up Kennen teammates to go into battle on the same side as, as they will require a relatively low level of skill to work well with you.
Working alongside, Sion players should expect to observe an overall large increase in your team’s capacity to to cover for your other teammates. When paired, these two might be able to provide enough cover for their team's carries.
Although, by grouping Sion and Kennen together, you probably will not be granting your other teammates a lot of magic damage. We recommend you bring other champions on your team that helps cover this relative hole in their abilities.
Regardless of your Kennen ally's skill level, you should focus on maximizing your gold income, warding to avoid ambushes, and clearing objectives. If you follow these simple suggestions, you will do well anyway.
To truly master Sion in order to pair well with Kennen during both the early game and mid / late game phases of League rounds, you should continue reading to pick up a few extra lessons on this champion pairing. If you use the build and stats displayed here, you will grow your win rate significantly.
The most crucial items to include in your Sion and Kennen synergy build consist of Sunfire Aegis, Thornmail, and Heartsteel. When Sion combined at least these three pieces in his build, he performed much better when paired up with Kennen than with many other commonly used item sets. In fact, Sion boasted an average win rate of 50.8% helping carry Kennen with this build.
To have the highest probability of vanquishing your oponents, Sion players should equip 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 combinations that we analyzed for this champion pairing, this blending of runes yielded the greatest win rate. Notably, these runes averaged a 50.8% winrate overall.
By default, tips, stats, and builds on how to synergize Kennen with Sion are presented for all ranked divisions. To scope the stats and builds to an individual division, you may use the selection menu earlier in the counter matchup guide.