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.
Use Demacian Standard as a scouting tool when worried about incoming enemies.
You can use the Dragon Strike / Demacian Standard combo to get out of your own Cataclysm arenas.
Split your basic attacks on different champions at the beginning of fights to maximize damage.
The Sejuani Jarvan IV synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Jarvan IV, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Sejuani sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Jarvan IV. His KDA fell from NaN to NaN. This negative change shows that Jarvan IV helps Sejuani perform not as well in competitive League of Legends matches. Yet, the small difference proves that this performance change is not very impactful.
When Sejuani is paired with Jarvan IV, she sees a clear improvement in her complete damage output. This may signal that Jarvan IV provides cover for her to deal more damage or that his participation also helps extend the match's duration. Similarly, when Sejuani is played alongside Jarvan IV on the same side, he usually scores many fewer killing sprees than when she plays without Jarvan IV. This is contrasting evidence that she is worse when playing alongside Jarvan IV.
Additionally, when Sejuani plays with Jarvan IV on the same side, she typically receives a little less damage than when she plays alone. Getting dealt not as much damage could mean that Jarvan IV does a decent job of protecting Sejuani in teamfights.
There is no top champion pairing for Sejuani that will 100% of the time be her #1 teammate. Yet, Jarvan IV is a below average ally for Sejuani. By being on the same side as Sejuani, he drops their win rate by -2.4% to 44.5%. This clearly indicates that there is a harmful bond between Sejuani and Jarvan IV that allows them to perform not as well together than alone.
Jarvan IV has a greater difficulty than Sejuani. That means you need to be cautious when enlisting Jarvan IV allies to go into battle on the same side as, as they will need a greater level of skill to do well with you.
When playing on the same side, you should see an overall large increase in your team’s capability to to cover for your other teammates. When paired, these champions will be able to tank for the rest of their team.
In contrast, by bringing Sejuani and Jarvan IV together, you may not be granting your other teammates a great deal of magical damage output. We recommend you have other champions on your team that neutralizes this hole in this pairing's abilities.
Regardless of your Jarvan IV ally's ability, you should focus on increasing your income, outlasting your enemies, and taking down objectives. If you do this, you will do well anyway.
To truly master Sejuani in order to synergize with Jarvan IV during both the lane and mid / late game phases of League games, you should continue reading to gather some more lessons on this champion pairing. If you mind the build and stats shown above, you will grow your win rate significantly.
The top items to prioritize in your Sejuani and Jarvan IV synergy build consist of Kaenic Rookern, Sunfire Aegis, and Iceborn Gauntlet. When Sejuani incorporated at least these three finished items in her build, she performed much better when fighting alongside Jarvan IV than with many other commonly used item sets. In fact, Sejuani had an average winrate of 44.5% when synergizing her build and playstyle to Jarvan IV with this build.
To have the highest likelihood of defeating your oponents, you should equip the Aftershock, Font of Life, Second Wind, Overgrowth, Triumph, and Legend: Alacrity runes from the Resolve and Precision rune sets. Out of all the runes players chose for Sejuani and Jarvan IV pairings, this blending of runes yielded the highest win rate. Moreover, these runes averaged a 44.5% win rate overall.
If you need to see Sejuani and Jarvan IV cooperations tips and stats for a a particular skill level, feel free to choose one from the selection menu displayed above. By default, the statistics and tips and suggestions given are computed using every match run with both champs.