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!
Killing Tentacles whenever possible will make it much easier to win a fight against Illaoi.
When your spirit gets pulled out, fight back if you can. Dealing damage to Illaoi reduces the spirit's duration.
Avoid grouping up for Leap of Faith to reduce the number of Tentacles available to Illaoi.
The stat comparisons shown on this page highlight some critical Rengar against Illaoi counter stats that may help you realize the differences between the two. As an example, Rengar’s KDA ratio ([kills + assists] / deaths) of NaN is better than Illaoi’s ratio of NaN, demonstrating that Rengar may be more central to his team's team fighting effectiveness than Illaoi..
Rengar usually has a slightly larger longest killing spree than his matchup does. On average, he takes a similar amount of damage to Illaoi. This typically indicates different amounts of tankyness, yet it can also indicate that the one champion has less agility and thus is not able to escape further harm when poked or engaged.
Both LoL champs are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Rengar usually fairs equally well when playing against Illaoi, with a 49.2% win rate. Therefore, Rengar makes an ok counter for Illaoi.
While Rengar does have a lower winrate than Illaoi, when on opposite teams, Rengar also has a much greater difficulty level that makes him a more challenging champion to pick up and master. You still need to be cautious when picking Rengar into Illaoias his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Rengar also has only a small amount of CC and other utility, a similar amount to Illaoi. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't a single best champion overall in League of Legends, in Rengar vs Illaoi matchups, Illaoi is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Rengar is a somewhat poor counter for Illaoi. Focus your tactics on increasing your gold and cs and taking out objectives. If you do that, you should hold your own as Rengar against Illaoi.
If you would like to learn all of the intricacies of Rengar in order to counter Illaoi during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you pay attention to the build and tips displayed here, you should increase your win rate significantly and be closer to League of Legends pro players.
Rengar often accumulates a lot less CS compared to Illaoi. Champs who on average don't earn many minion kills usualy don't have to have much CS to be valuable teammates, such as support champions. They are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, usually have to have many items to be effective. In either situation, try to surpass the numbers shown on this page to do well.
The best items to prioritize in your Rengar versus Illaoi build consist of Youmuu's Ghostblade, Serylda's Grudge, and Profane Hydra. When Rengar bought at least these three pieces in his build, he did much better against Illaoi than with most other typical item sets. In fact, Rengar had an average winrate of 49.2% when countering Illaoi with this build.
To have the highest likelihood of beating Illaoi as Rengar, Rengar 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. Of all the rune combinations players used for Rengar vs Illaoi LoL games, this mixture of runes yielded the best win rate. Notably, these runes averaged a 49.2% winrate overall.
By default, tips, stats, and builds on how to beat Illaoi as Rengar are presented for all ranked divisions. If you would like to narrow the statistics and builds to an individual player tier, you should use the selection menu earlier on the page.