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.
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.
The Jax Cassiopeia synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Cassiopeia, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Jax sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Cassiopeia. His KDA worsened from NaN to NaN. This worsening shows that Cassiopeia helps Jax perform not as well in ranked League of Legends games. Yet, the small difference shows that this performance change is not very impactful.
When Jax plays on the same team as Cassiopeia, he sees a marginal improvement in his full damage dealt. This may signal that Cassiopeia helps provide cover for him to dish out more damage or that her presence on the team also helps increase the game's duration. Similarly, when Jax is played together with Cassiopeia on the same side, he usually scores many fewer killing sprees compared to when he plays without Cassiopeia. This is contrasting evidence that he is worse when playing alongside Cassiopeia.
Additionally, when Jax plays with Cassiopeia on the same team, he usually receives a little more damage than when he fights alone. Getting dealt more damage could mean that Cassiopeia does a poor job of protecting Jax in teamfights.
There is no top synergy for Jax that will always be his #1 ally. Yet, overall, Cassiopeia is a decent teammate for Jax. By being on the same team as Jax, she increases their win rate by 1.3% to 52.1%. This proves that there is pretty good strategic relationship between Jax and Cassiopeia that results in them performing stronger together than alone.
Cassiopeia has a much greater difficulty compared to Jax. That means you need to be cautious when arranging Cassiopeia comrades to play with, as they will require a much higher level of skill to be able to cooperate well with you.
Playing cooperatively, Jax players should expect to witness an overall large increase in your team’s ability to deal magical damage. Combined, these two can deal quite a lot of AP type damage.
Conversely, by grouping Jax and Cassiopeia together, you may not be providing your other teammates much cover. Plan to bring other champs on your team that neutralizes this relative hole in their capabilities.
Regardless of the ability of your Cassiopeia teammate, you should focus on maximizing your income, warding to avoid ambushes, and taking down objectives. If you follow these simple suggestions, you should do well, regardless.
To learn all of the intricacies of Jax in order to synergize with Cassiopeia during both the lane and mid / late game phases of LoL matches, you should keep reading to pick up some more tips and tricks for this champion pairing. If you use the build and tips shown above, you will grow your win rate by a lot.
The top items to have in your Jax and Cassiopeia synergy build include Sterak's Gage, Spear of Shojin, and Sundered Sky. When Jax included at least these three items in his build, he performed a lot better when paired up with Cassiopeia than with most other commonly used builds. In fact, Jax boasted an average win rate of 52.1% helping carry Cassiopeia with these items in his kit.
To have the best likelihood of beating your oponents, Jax players should take the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Of all the rune combinations players used for this champion pairing, this blending of runes yielded the greatest win rate. Notably, these runes gave a 52.1% winrate overall.
If you need to get Jax with Cassiopeia synergy tips and builds for a an individual rank, feel free to choose one from the selection menu provided above. By default, the stats and build suggestions shown are computed using all matches played with these champions.