Time Warp is an effective way to enable allies to finish off enemies, or escape from a losing battle.
Chronoshift is a powerful deterrent to attacking your carries, but casting Chronoshift too early in a fight can cause the enemy to switch targets too soon, making it less effective.
You can combine the use of Time Bomb and Rewind to place two Time Bombs on a target quickly. Placing the second bomb will detonate the first and stun all nearby enemies.
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 Zilean 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, Zilean sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Sejuani. His KDA worsened from NaN to NaN. This fall shows that Sejuani helps Zilean perform poorer in ranked LoL matches. Yet, the small difference shows that this performance change is not very impactful.
When Zilean plays on the same team as Sejuani, he sees a sizeable uptick in his total damage dealt. This change could signal that Sejuani provides cover for him to dish out more damage or that her participation also helps increase the match's duration. Similarly, when Zilean is played alongside Sejuani 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 alongside Sejuani.
Additionally, when Zilean plays with Sejuani on the same team, he on average takes more damage than when he plays alone. Taking more damage could indicate that Sejuani does a poor job of protecting Zilean in teamfights.
There is no perfect champion pairing for Zilean that will no matter what be his best ally. However, overall, Sejuani is a terrible ally for Zilean. By being on the same team as Zilean, she drops their win rate by -5.9% to 44.8%. This signals that there is a very bad synergy between Zilean and Sejuani that allows them to perform worse together than alone.
Sejuani has a lower difficulty than Zilean. That means you don't need to be very careful when finding Sejuani comrades to play with, as they will require a relatively low level of skill to play well with you.
When playing on the same side, you should expect to witness 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.
In contrast, by aligning Zilean and Sejuani together, you may not be granting your team very much anti-tank damage dealing potential. Make sure to have other champs on your team that fills this relative gap in their potential.
Regardless of your Sejuani ally's ability, you should focus on increasing your income, staying alive by avoiding foolish fights, and clearing objectives. If you do this, you will do well, regardless.
If you would like to learn all of the intricacies of Zilean in order to pair well with Sejuani during both the lane and mid / late game phases of League, you should keep reading to pick up a few extra tips and tricks for this champion pairing. If you listen to the build and suggestions shown above, you will increase your win rate by a lot.
The most important finished items to include in your Zilean and Sejuani synergy build include Shurelya's Battlesong, Solstice Sleigh, and Imperial Mandate. When Zilean used at least these three great items in his build, he performed much better when fighting alongside Sejuani than with most other common builds. In fact, Zilean had an average win rate of 44.8% when synergizing his build and playstyle to Sejuani with these items in his kit.
To have the highest probability of crushing your oponents, Zilean players should use the Summon Aery, Manaflow Band, Transcendence, Waterwalking, Cheap Shot, and Relentless Hunter runes from the Sorcery and Domination rune sets. Out of all the runes players chose for this champion pairing, this order of runes yielded the greatest win rate. Notably, these runes provided a 44.8% winrate overall.
If you need to get Zilean with Sejuani synergy tips and stats for a a particular division, feel free to select one from the selection menu provided above. At first, the stats and tips and suggestions displayed are computed using all matches with data with both champions.