Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum 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 Cassiopeia Jax synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Jax, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Cassiopeia sees a very large drop in her KDA (ratio of kills and assists to deaths) when paired with Jax. His KDA decreased from NaN to NaN. This negative change shows that Jax helps Cassiopeia perform worse in competitive League of Legends games. Yet, the small difference shows that this performance change is only marginal.
When Cassiopeia tries to synergize with Jax, she sees a marginal improvement in her total damage output. This could signal that Jax provides protection for her to deal more damage or that his presence on the team also helps increase the match's duration. Similarly, when Cassiopeia is played with Jax on the same side, he usually scores many fewer killing sprees than when she plays alone. This is contrasting evidence that she is worse when playing with Jax.
Moreover, when Cassiopeia plays with Jax on the same team, she on average takes a little less damage than when she fights alone. Taking not as much damage may mean that Jax does a decent job of covering Cassiopeia during teamfights.
There is no top synergy for Cassiopeia that will 100% of the time be her top teammate. Yet, Jax is a decent teammate for Cassiopeia. By being on the same side as Cassiopeia, he improves their win rate by 1.8% to 52.1%. This proves that there is pretty good strategic relationship between Cassiopeia and Jax that allows them to perform at the top of their game together than alone.
Jax has a much lower diffuclty than Cassiopeia. That means you don't need to be very careful when enlisting Jax comrades to play with, as they will need a much lower level of skill to be able to cooperate well with you.
When playing cooperatively, you should observe an overall large increase in your team’s capability to to do a lot of AP damage. Combined, these two can blast through enemies with magic damage.
Although, by pairing Cassiopeia and Jax together, you may not be giving your other allies a lot of engage. We recommend you have other champions on your team that nullifies this hole in their potential.
Regardless of your Jax ally's skill level, you need to focus on maximizing your gold income, outlasting your enemies, and clearing objectives. If you heed this simple advice, you should do well anyway.
If you would like to learn all of the intricacies of Cassiopeia in order to synergize with Jax during both the laning and mid / late game phases of LoL, you should continue reading to gather a few extra lessons on this champion pairing. If you mind the build and stats presented above, you will grow your win rate significantly.
The top items to have in your Cassiopeia and Jax synergy build consist of Seraph's Embrace, Rabadon's Deathcap, and Rylai's Crystal Scepter. When Cassiopeia used at least these three finished items in her build, she did significantly better when paired up with Jax than with most other commonly used item sets. In fact, Cassiopeia boasted an average winrate of 52.1% when playing alongside Jax with these items in her kit.
To have the best likelihood of annihilating your oponents, Cassiopeia players should use the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Of all the rune combinations players used for this champion pairing, this combo of runes resulted in the highest win rate. In fact, these runes averaged a 52.1% winrate overall.
By default, tips, stats, and builds on how to pair Jax with Cassiopeia are given for all skill levels combined. If you want to narrow the statistics and builds to a specific division, you may use the selection menu located above.