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!
Pay attention to Ionian Fervor stacks and try to engage Irelia when it is down.
Minion waves greatly enhance Irelia's mobility, beware fighting her inside one.
Beware of wasting your high impact spells on Defiant Dance.
The stats provided here show several significant Rengar against Irelia matchup statistics that may help us understand the differences between this set of champs. As an example, Rengar’s KDA ratio ([kills + assists] / deaths) of NaN is more than Irelia’s KDA ratio of NaN, indicating that Rengar may be more central to his team's team fighting capacity than Irelia..
Rengar often has a similar longest killing spree as his opponent does. On average, he receives a similar amount of damage to Irelia. This often reflects differing health capacities, but it can also illustrate that the one champion has less agility and thus is not able to escape additional harm when poked or engaged.
Both League of Legends champs are great champions. Both have their pros and cons. In the game's current meta, Rengar usually loses when playing against Irelia, with a 47.9% win rate. Therefore, Rengar makes a poor counter to Irelia.
While Rengar does have a lower win rate than Irelia, when on opposite teams, Rengar also has a much greater learning curve that makes him a more complex champion to learn and master. You should expect to face a difficult match when picking Rengar into Ireliaas his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Additionally, Rengar also has only a small amount of utility and CC, a similar amount to Irelia. This makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there is not one best champion overall in League of Legends, in Rengar vs Irelia matchups, Irelia is the better champion with a lower win rate, more champion depth, and a similar amount of utility to help out your teammates during teamfights.
Rengar is a garbage counter for Irelia. Focus your actions on increasing your gold income and taking out objectives. If you are able to do that, you should do very well as Rengar against Irelia.
If you would like to truly master Rengar in order to counter Irelia during both the lane 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 listen to the build and stats presented here, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Rengar usually picks up a lot less CS as Irelia. Champions who typically don't acquire much CS often don't have to have much CS to be effective, such as supports. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually have to have a lot of items to be effective. In either case, try to do better than the numbers shown on this page to do well.
The best items to focus on in your Rengar versus Irelia build consist of Axiom Arc, Profane Hydra, and Opportunity. When Rengar bought at least these three pieces in his build, he did much better when facing Irelia than with many other typical counter builds. In fact, Rengar boasted an average win rate of 47.9% when countering Irelia with this counter build.
To have the highest probability of annihilating Irelia as Rengar, Rengar players should use the Electrocute, Sudden Impact, Eyeball Collection, Relentless Hunter, Future's Market, and Magical Footwear runes from the Domination and Inspiration rune sets. Out of all the rune builds players chose for Rengar vs Irelia LoL games, this composite of runes resulted in the highest win rate. Notably, these runes gave a 47.9% win rate overall.
If you need to view Rengar vs Irelia tips and builds for a a distinct skill level, feel free to choose one from the selection menu provided above. If viewing for the first time, the stats and build suggestions given are calculated using all games completed with both champs.