Make sure to take paths through brush when chasing opponents to take advantage of Rengar's passive.
Use Rengar's ultimate to find and assassinate high priority targets in team fights and skirmishes.
A lot of Rengar's power comes from empowered abilities he uses at the right moment - choose wisely!
Janna's at her strongest when buffing another ally. If you can harass her ally, it will weaken her ability to fight you.
Save an interrupt ability for when Janna uses her ultimate.
Listen for the charge up sound on Howling Gale in case Janna is trying to hit you with it from off screen or from brush.
The stat comparisons shown on this page highlight several significant Rengar vs. Janna counter statistics that may help us grasp the differences and similarities between these two champs. For instance, Rengar’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Janna’s KDA ratio of NaN, showing that Rengar may be more central to his team's team fighting effectiveness than Janna. This observation is largely a result of the difference in kills.
Rengar usually has a much larger longest kill spree than his matchup does. Commonly, he takes more damage than Janna. This commonly reflects different amounts of tankyness; however, it can also indicate that the champ with higher health has less mobility and thus is unable to kite away from further harm when engaged or poked.
Both League of Legends champs are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Rengar usually fairs equally well when trying to fight Janna, with a 49.6% win rate. Thus, Rengar makes an ok counter to Janna.
While Rengar does have a lower win rate than Janna, when on opposite teams, Rengar also has a greater difficulty level that makes him a more difficult champ to pick up and master. You still need to be cautious when picking Rengar into Jannaas his relative depth means that you may not be able to unleash his full potential without a significant amount of practice beforehand.
Moreover, Rengar also has almost no amount of CC and other utility, a similar amount to Janna. 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 overall in League of Legends, in Rengar vs Janna matchups, Janna is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Rengar is a somewhat poor counter to Janna. Focus your strategy on increasing your gold and cs and clearing objectives. If you are able to do that, you should hold your own as Rengar against Janna.
If you would like to truly master Rengar in order to counter Janna during both the lane and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tricks and insights into this matchup. If you listen to the build and tips presented here, you will increase your win rate significantly and be closer to League of Legends pro players.
Rengar most often picks up more CS as Janna. Champs who on average don't earn many minion kills often don't require much CS to be effective, such as support champions. These kinds of champions are capable of scaling well off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically require several high cost items to be effective. In either case, try to exceed the values shown here to do well.
The ideal items to focus on in your Rengar versus Janna build include Axiom Arc, Profane Hydra, and Opportunity. When Rengar used at least these three pieces in his build, he performed a lot better against Janna than with most other typical builds. In fact, Rengar had an average winrate of 49.6% when countering Janna with this build.
To have the best likelihood of coming out on top against Janna as Rengar, you should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Relentless Hunter runes from the Inspiration and Domination rune sets. Out of all the rune sets players chose for Rengar vs Janna LoL games, this composite of runes yielded the highest win rate. Notably, these runes provided a 49.6% win rate overall.
If you need to see Rengar x Janna tips and matchup stats and build suggestions for a an individual skill level, feel free to choose one from the selection menu provided above. At first, the stats and build suggestions shown are computed using all matches with data with both champions.