Use Demacian Standard as a scouting tool when worried about incoming enemies.
You can use the Dragon Strike / Demacian Standard combo to get out of your own Cataclysm arenas.
Split your basic attacks on different champions at the beginning of fights to maximize damage.
Damage Kayn while he's in Shadow Step to shorten its duration, or apply hard crowd control (stun, charm, knockup, etc) to end Shadow Step immediately.
When Kayn is in terrain near you, you will get a visual warning on the edge of the terrain he's in.
Umbral Trespass requires Kayn to damage a target first. Try to dodge Blade's Reach to deny him a long range cast of Umbral Trespass.
The stat comparisons shown on this page emphasize several important Jarvan IV against Kayn counter statistics that may help you interpret the differences between the pair. Jarvan IV’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Kayn’s KDA ratio of NaN, indicating that Jarvan IV may be more central to his team's team fighting capacity than Kayn. This observation is largely fueled by the differences in assists.
Jarvan IV often has a similar longest kill spree as his enemy does. Typically, he takes less damage than Kayn. This often reflects differing health capacities; however, it can also illustrate that the one champ has less mobility and thus is unable to escape further damage when engaged or poked.
Both LoL champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Jarvan IV usually loses when trying to fight Kayn, with a 47.5% win rate. Thus, Jarvan IV makes a poor counter for Kayn.
While Jarvan IV does have a lower win rate than Kayn, when facing one another, Jarvan IV also has a lower level of difficulty that makes him a less complex champ to pick up and master. You should be very concerned when picking Jarvan IV into Kayn.
Additionally, Jarvan IV also has some amount of utility and CC, a similar amount to Kayn. This makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Jarvan IV vs Kayn matchups, Kayn is the better champion with a lower win rate, less champion complexity, and a similar amount of utility to help out your allies during teamfights.
Jarvan IV is a terribly counter to Kayn. You will do well by focussing your actions on keeping up your gold income and taking out objectives. If you do that, you should hold your own as Jarvan IV against Kayn.
If you would like to learn all of the intricacies of Jarvan IV to counter Kayn during both the laning and mid / late game phases of League of Legends, you should keep reading to learn a few extra tricks and insights into this matchup. If you pay attention to the build and suggestions shown here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Jarvan IV usually picks up a similar amount of CS as Kayn. Champs who on average don't acquire many minion kills often don't have to have much CS to be valuable teammates, such as supports. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically require many items to be effective. In either situation, try to exceed the numbers shown here to do well.
The most crucial items to prioritize in your Jarvan IV versus Kayn build include Goredrinker, Black Cleaver, and Frozen Heart. When Jarvan IV incorporated at least these three items in his build, he did a lot better vs. Kayn than with most other commonly used builds. In fact, Jarvan IV had an average winrate of 47.5% battling Kayn with these items in his kit.
To have the highest probability of annihilating Kayn as Jarvan IV, Jarvan IV players should use the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Of all the rune sets that we analyzed for Jarvan IV vs Kayn clashes, this combination of runes yielded the greatest win rate. In fact, these runes gave a 47.5% win rate overall.
By default, tips, stats, and builds on how to beat Kayn as Jarvan IV are given for all skill levels, merged. To narrow the stats and builds to a specific skill level, you should use the selection menu located above.