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.
Melee allies can stack Frost for your Permafrost, keep an eye on who they are attacking.
Save Glacial Prison for encounters where you have teammates present to take advantage of it.
Use Arctic Assault to escape bad situations, interupt channeled spells or chase runners.
The Sion Sejuani synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Sejuani, 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 Sejuani. His KDA went down from NaN to NaN. This decrease shows that Sejuani helps Sion perform not as well in competitive League matches. Yet, the small difference indicates that this performance change is not very impactful.
When Sion plays on the same team as Sejuani, he sees a clear improvement in his complete damage output. This may signal that Sejuani provides protection for him to deal more damage or that her allyship also helps increase the game's duration. Similarly, when Sion is played alongside Sejuani on the same team, he usually scores many fewer killing sprees compared to when he plays without Sejuani. This is contrasting evidence that he is worse when playing synergisticly with Sejuani.
Additionally, when Sion plays with Sejuani on the same side, he often takes more damage than when he fights alone. Taking more damage may mean that Sejuani does a poor job of protecting Sion in team fights.
There is no universally accepted best synergy for Sion that will always be his best synergy. Yet, overall, Sejuani is a very bad companion for Sion. By locking into the same side as Sion, she lowers their win rate by -5.8% to 44.4%. This demonstrates that there is an easy to overcome and exploit bond between Sion and Sejuani that results in them performing not as well together than without each other.
Sejuani has a lower difficulty than Sion. That means Sion players don't need to be cautious when finding Sejuani allies to go into battle on the same side as, as they will have to have a relatively low level of skill to play well with you.
Working cooperatively, Sion players should expect to observe an overall large increase in your team’s capacity to tank a lot of damage. When paired, these champions will be a great protective duo.
In contrast, by grouping Sion and Sejuani together, you may not be granting your side very much magic damage. We recommend you bring other champs on your team that nullifies this relative hole in this pairing's kit.
Regardless of your Sejuani ally's skill level, you should focus on increasing your gold income, outlasting your enemies, and taking down objectives. If you heed this simple advice, you should do well anyway.
To learn all of the intricacies of Sion in order to work well with Sejuani during both the lane and mid / late game phases of League of Legends matches, you should continue reading to gather additional lessons on this champion pairing. If you mind the build and suggestions displayed above, you should grow your win rate significantly.
The most important items to include in your Sion and Sejuani synergy build include Unending Despair, Sunfire Aegis, and Heartsteel. When Sion bought at least these three pieces in his build, he did a lot better when fighting alongside Sejuani than with most other commonly used builds. In fact, Sion had an average winrate of 44.4% helping carry Sejuani with these items in his kit.
To have the highest chance of annihilating your oponents, Sion players should take 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 sets players used for Sion and Sejuani pairings, this order of runes resulted in the greatest win rate. Notably, these runes gave a 44.4% winrate overall.
If you need to get Sion and Sejuani synergy tips and builds for a an individual skill level, please select one from the selection menu shown above. If viewing for the first time, the statistics and guides given are calculated using all games run with both champs.