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.
Be wary of Cassiopeia's damage potential with Twin Fang when she has you poisoned.
Turn away from Cassiopeia when she is casting Petrifying Gaze to get slowed instead of stunned.
The stats shown here show several vital Jax against Cassiopeia counter statistics that may help us figure out the differences between this pair of champions. As an example, Jax’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Cassiopeia’s ratio of NaN, showing that Jax may be more central to his team's team fighting capacity than Cassiopeia..
Jax often has a similar longest killing spree as his counter does. Typically, he takes more damage than Cassiopeia. This commonly reflects different amounts of tankyness, yet it can also hint that the champion with higher HP has less agility and thus is unable to escape additional harm when engaged or poked.
Both League of Legends champs are great. Both have their strengths, weaknesses, and counters. In League's current meta, Jax usually wins when playing against Cassiopeia, with a 51.0% win rate. As a result, Jax makes a good counter to Cassiopeia.
While Jax does have a higher win rate compared to Cassiopeia, when on opposite teams, Jax also has a much lower difficulty level that makes him a less challenging champion to pick up and master. You still need to be cautious when picking Jax into Cassiopeia.
Moreover, Jax also has some amount of utility and CC, a similar amount to Cassiopeia. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Jax vs Cassiopeia matchups, Jax is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allied champions during late stage team fights.
Jax is a decent counter to Cassiopeia. Make sure you focus your strategy on keeping up your CS and destroying objectives. If you can do that, you should hold your own as Jax against Cassiopeia.
If you would like to learn all of the intricacies of Jax to counter Cassiopeia during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you pay attention to the build and stats shown here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Jax typically picks up a similar amount of CS as Cassiopeia. Champions who typically don't earn many minion kills often don't have to have much CS to be effective, such as supports. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either case, try to do better than the values displayed on this page to do well.
The most crucial items to prioritize in your Jax versus Cassiopeia build include Sterak's Gage, Trinity Force, and Blade of The Ruined King. When Jax bought at least these three items in his build, he performed much better countering Cassiopeia than with many other commonly used counter builds. In fact, Jax had an average win rate of 51.0% battling Cassiopeia with this build.
To have the greatest likelihood of annihilating Cassiopeia as Jax, Jax players should equip the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Magical Footwear, and Cosmic Insight runes from the Precision and Inspiration rune sets. Out of all the rune sets players used for Jax vs Cassiopeia clashes, this set of runes resulted in the highest win rate. Moreover, these runes provided a 51.0% winrate overall.
By default, tips, stats, and builds on how to beat Cassiopeia as Jax are shown for all skill levels combined. To narrow the stats and builds to an individual player tier, you can use the selection menu located earlier on the page.