For increased range and damage, try casting Shock Blast through the Acceleration Gate.
If you find yourself taking lots of damage, try using Jayce's Hammer Stance, as it grants you additional defenses.
Be sure to switch stances often. It will enhance your attacks and grant you quick bursts of speed.
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 stat comparisons provided here emphasize some critical Jayce vs. Cassiopeia matchup stats that may help you realize the differences between these two champions. As an example, Jayce’s KDA ratio ([kills + assists] / deaths) of NaN is more than Cassiopeia’s KDA ratio of NaN, highlighting that Jayce may be more central to his team's team fighting effectiveness than Cassiopeia..
Jayce usually has a similar longest killing spree as his foe does. Commonly, he takes less damage than Cassiopeia. This often reflects differing health capacities; however, it can also imply that the champ with more HP has less mobility and thus is unable to kite away from further damage when engaged or poked.
Both League champs are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Jayce usually fairs equally well when trying to fight Cassiopeia, with a 50.4% win rate. Thus, Jayce makes an ok counter for Cassiopeia.
While Jayce does have a higher winrate than Cassiopeia, when facing one another, Jayce also has a lower level of difficulty that makes him a less difficult champ to develop with. You still need to be cautious when picking Jayce into Cassiopeiaas his relative depth means that you may not be able to reach his full potential without a lot of practice beforehand.
Additionally, Jayce has almost no amount of utility and CC, a similar amount to Cassiopeia. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Jayce vs Cassiopeia matchups, Jayce is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Jayce is a decent counter for Cassiopeia. You will do well by focussing your strategy on keeping up your gold and cs and destroying objectives. If you can do that, you should hold your own as Jayce against Cassiopeia.
If you would like to truly master Jayce to counter Cassiopeia during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you mind the build and stats displayed above, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Jayce usually accumulates a similar amount of CS compared to Cassiopeia. Champions who typically don't earn many minion kills usualy don't have to have much CS to be valuable teammates, such as supports. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually have to have several high cost items to be effective. In either case, try to exceed the numbers displayed here to do well.
The ideal items to focus on in your Jayce versus Cassiopeia build include Muramana, Youmuu's Ghostblade, and Edge of Night. When Jayce included at least these three items in his build, he performed a lot better against Cassiopeia than with many other typical counter builds. In fact, Jayce had an average win rate of 50.4% when countering Cassiopeia with this build.
To have the best likelihood of defeating Cassiopeia as Jayce, you should equip the Phase Rush, Manaflow Band, Absolute Focus, Gathering Storm, Biscuit Delivery, and Magical Footwear runes from the Sorcery and Inspiration rune sets. Out of all the rune builds we have analyed for Jayce vs Cassiopeia matchups, this order of runes yielded the best win rate. In fact, these runes provided a 50.4% win rate overall.
If you would like to see Jayce versus Cassiopeia tips and counter builds for a a particular player tier, feel free to choose one from the selection menu displayed above. At first, the stats and guides shown are calculated using every game run with both champions.