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.
Rengar's passive enables him to leap out of brush, so avoid fighting him when near bushes.
Rengar puts an indicator over the nearest enemy champion when he is camouflaged during his ultimate.
Rengar gains an empowered ability when his resource bar is full. Try to confront him when it's low.
The stat comparisons provided here clarify several valuable Jarvan IV vs. Rengar matchup statistics that can help you grasp the differences between the pair. For instance, Jarvan IV’s KDA ratio ([kills + assists] / deaths) of NaN is better than Rengar’s ratio of NaN, showing that Jarvan IV may be more central to his team's team fighting potential than Rengar. This observation is in large part fueled by the differences in assists.
Jarvan IV often has a slightly smaller longest killing spree than his matchup does. Commonly, he takes a similar amount of damage to Rengar. This commonly reflects differing health capacities, yet it can also show that the champion with more health has less agility and thus is unable to escape further damage when poked or engaged.
Both League of Legends champions are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Jarvan IV usually wins when playing against Rengar, with a 51.4% win rate. Therefore, Jarvan IV makes a good counter for Rengar.
While Jarvan IV does have a higher win rate compared to Rengar, when on opposite teams, Jarvan IV also has a lower level of difficulty that makes him a less complex character to pick up and master. You still need to be cautious when picking Jarvan IV into Rengar.
Moreover, Jarvan IV also has some amount of CC and other utility, a similar amount to Rengar. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Jarvan IV vs Rengar matchups, Jarvan IV is the better champion with a higher win rate, less champion complexity, and a similar amount of utility to help out your allies during late stage team fights.
Jarvan IV is a decent counter for Rengar. Make sure you focus your strategy on maximizing your gold income and taking out objectives. If you do that, you should hold your own as Jarvan IV against Rengar.
If you would like to truly master Jarvan IV to counter Rengar during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you mind the build and tips shown here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Jarvan IV on average racks up a similar amount of CS as Rengar. Champions who on average don't acquire many minion kills usualy don't need much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often require several high cost items to be effective. In either situation, try to surpass the numbers shown on this page to do well.
The ideal items to focus on in your Jarvan IV versus Rengar build include Black Cleaver, Spear of Shojin, and Sundered Sky. When Jarvan IV combined at least these three pieces in his build, he performed significantly better when facing Rengar than with most other typical counter builds. In fact, Jarvan IV had an average win rate of 51.4% battling Rengar with this build.
To have the best likelihood of coming out on top against Rengar as Jarvan IV, you should take the Conqueror, Triumph, Legend: Alacrity, Coup de Grace, Cosmic Insight, and Magical Footwear runes from the Precision and Inspiration rune sets. Out of all the rune sets players chose for Jarvan IV vs Rengar LoL games, this blending of runes resulted in the greatest win rate. In fact, these runes provided a 51.4% winrate overall.
By default, tips, stats, and builds on how to beat Rengar as Jarvan IV are presented for all skill levels, merged. To scope the statistics and builds to an individual skill level, you should use the selection menu above.