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.
Jax benefits greatly from items that have both Ability Power and Attack Damage such as Guinsoo's Rageblade and Hextech Gunblade.
Jax can Leap Strike to friendly units, including wards. You can use them to plan your escape.
The Jarvan IV Jax synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Jax, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Jarvan IV sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Jax. His KDA decreased from NaN to NaN. This fall shows that Jax helps Jarvan IV perform worse in competitive League rounds. Yet, the small difference demonstrates that this performance change is not very impactful.
When Jarvan IV is paired with Jax, he sees a little drop in his full damage output. This could indicate that Jax doesn't help cover for him to dish out more damage or that his support also helps extend the round's duration. Similarly, when Jarvan IV is played together with Jax on the same team, he usually scores many fewer killing sprees compared to when he plays alone. This is contrasting evidence that he is worse when playing alongside Jax.
Moreover, when Jarvan IV plays with Jax on the same side, he typically takes a little less damage than when he plays alone. Receiving not as much damage could mean that Jax does a decent job of protecting Jarvan IV during teamfights.
There is no top synergy for Jarvan IV that will no matter what be his ideal teammate. Yet, overall, Jax is a pretty good ally for Jarvan IV. By playing on the same side as Jarvan IV, he increases their win rate by 2.1% to 50.7%. This proves that there is pretty good bond between Jarvan IV and Jax that results in them performing stronger together than alone.
Jax has a lower difficulty than Jarvan IV. That means Jarvan IV players don't need to be careful when lining up Jax comrades to fight alongside, as they will need a relatively low level of skill to play well with you.
Working cooperatively, you should observe an overall large increase in your team’s capability to destroy wih physical damage. Combined, these champions can provide a great amount of sustained physical damage.
Conversely, by grouping Jarvan IV and Jax together, you may not be giving your other teammates a great deal of crowd control. We recommend you bring other champs on your team that nullifies this hole in this pairing's abilities.
Regardless of the ability of your Jax ally, you should focus on maximizing your income, outlasting your enemies, and taking down objectives. If you follow these simple suggestions, you should do well anyway.
To truly master Jarvan IV to synergize with Jax during both the early game and mid / late game phases of League of Legends matches, you should keep reading to pick up additional tricks and insights into this champion pairing. If you use the build and suggestions shown here, you will grow your win rate significantly.
The most crucial items to get in your Jarvan IV and Jax synergy build consist of Frozen Heart, Spear of Shojin, and Sundered Sky. When Jarvan IV incorporated at least these three great items in his build, he did significantly better as an ally of Jax than with most other common builds. In fact, Jarvan IV boasted an average winrate of 50.7% when synergizing his build and playstyle to Jax with this build.
To have the greatest likelihood of beating your oponents, you should take the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune builds players used for this champion pairing, this mix of runes yielded the best win rate. Moreover, these runes averaged a 50.7% win rate overall.
By default, tips, stats, and builds on how to team up Jax with Jarvan IV are presented for all skill levels combined. If you would like to scope the statistics and builds to a specific skill level, you may use the selection menu earlier on the page.