Kassadin's ultimate has many uses and is on a shorter cooldown than most, use it often.
Kassadin has multiple item paths; he can go caster via Mana and Ability Power or anti-caster with Cooldown Reduction and Magic Resist.
Try to get the Ancient Golem buff to counteract Riftwalk's increasing Mana cost.
Jayce is strong in the early game. If he gains the advantage, play defensively.
Jayce can attack in melee or at range. Pay attention to his stance and weapon color to know how he is going to attack.
If you see Jayce drop his Acceleration Gate, be careful, he is probably about to cast Shock Blast.
The stats provided here clarify several important Kassadin against Jayce counter statistics that can help us interpret the differences and similarities between this set of champions. Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Jayce’s KDA ratio of NaN, showing that Kassadin may be more central to his team's team fighting effectiveness than Jayce..
Kassadin typically has a similar longest killing spree as his opponent does. Typically, he takes more damage than Jayce. This often reflects different amounts of tankyness; however, it can also indicate that the champ with increased HP has less agility and thus is unable to flee from further harm when poked or engaged.
Both LoL champs are great. Both have their pros and cons. In League's current meta, Kassadin usually fairs equally well when playing against Jayce, with a 49.6% win rate. Thus, Kassadin makes an ok counter for Jayce.
While Kassadin does have a lower winrate compared to Jayce, when they face off with one another, Kassadin also has a greater level of difficulty that makes him a more difficult character to pick up and master. You should be careful when picking Kassadin into Jayceas his relative depth means that you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Kassadin has some amount of CC and other utility, a similar amount to Jayce. This often makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion in League of Legends, in Kassadin vs Jayce matchups, Jayce is the better champ with a similar win rate, more champion depth, and a similar amount of utility to help out your teammates during late stage team fights.
Kassadin is a somewhat poor counter to Jayce. You will do well by focussing your actions on increasing your CS and taking out objectives. If you do that, you should be able to stand on your own as Kassadin against Jayce.
If you would like to learn all of the intricacies of Kassadin to counter Jayce during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra tricks and insights into this matchup. If you listen to the build and suggestions presented above, you should grow your win rate by a lot and be that much closer to League of Legends pro players.
Kassadin most often accumulates a similar amount of CS compared to Jayce. Champs who typically don't take much CS often don't require much CS to be valuable teammates, such as sup champs. They are able to scale properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically require several high cost items to be effective. In either case, try to do better than the values shown on this page to do well.
The best items to have in your Kassadin versus Jayce build include Seraph's Embrace, Rabadon's Deathcap, and Malignance. When Kassadin included at least these three pieces in his build, he did much better when fighting Jayce than with most other common builds. In fact, Kassadin had an average winrate of 49.6% when countering Jayce with these items in his kit.
To have the best probability of crushing Jayce as Kassadin, Kassadin players should use the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the rune sets we have analyed for Kassadin vs Jayce counterpicks, this sequence of runes yielded the greatest win rate. In fact, these runes gave a 49.6% win rate overall.
If you want to get Kassadin versus Jayce tips and builds for a a particular skill level, feel free to select one from the selection menu shown above. If viewing for the first time, the statistics and strategies shown are calculated using all rounds finished with both champions.