Kassadin's ultimate has many uses and is on a shorter cooldown than most, use it often.
Kassadin has multiple item paths; he can go caster via Mana and Ability Power or anti-caster with Cooldown Reduction and Magic Resist.
Try to get the Ancient Golem buff to counteract Riftwalk's increasing Mana cost.
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 stats shown here emphasize some strategic Kassadin vs. Rengar matchup statistics that may help us distinguish the differences between the pair. As an example, Kassadin’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Rengar’s ratio of NaN, highlighting that Kassadin may be more central to his team's team fighting effectiveness than Rengar..
Kassadin often has a similar longest kill spree as his enemy does. Typically, he receives less damage than Rengar. This often reflects different amounts of tankyness, yet it can also illustrate that the champ with increased health has less agility and thus is not able to flee from further damage when engaged or poked.
Both League champions are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Kassadin usually wins when facing off against Rengar, with a 51.0% win rate. Therefore, Kassadin makes a good counter for Rengar.
While Kassadin does have a higher winrate compared to Rengar, when facing one another, Kassadin also has a greater learning curve that makes him a more difficult champ to learn and master. You still need to be cautious when picking Kassadin into Rengaras his relative depth means you may not be able to reach his full potential without a lot of practice beforehand.
Furthermore, Kassadin has some amount of CC and other utility, a similar amount to Rengar. This makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Kassadin vs Rengar matchups, Kassadin is the better champ with a similar win rate, similar champion depth, and a similar amount of utility to help out your allies during teamfights.
Kassadin is a decent counter to Rengar. Make sure you focus your gameplay on increasing your gold income and taking out objectives. If you do that, you should hold your own as Kassadin against Rengar.
If you would like to learn all of the intricacies of Kassadin in order to counter Rengar during both the lane and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tips and tricks for this matchup. If you pay attention to the build and suggestions shown above, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Kassadin usually gets much more CS relative to Rengar. Champions who on average don't take much CS often don't need much CS to be effective, such as sup champs. 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, often have to have several high cost items to be effective. In either situation, try to surpass the numbers reported here to do well.
The best items to use in your Kassadin versus Rengar build include Seraph's Embrace, Frozen Heart, and Rod of Ages. When Kassadin incorporated at least these three items in his build, he performed a lot better countering Rengar than with many other typical builds. In fact, Kassadin boasted an average win rate of 51.0% battling Rengar with this build.
To have the best chance of vanquishing Rengar as Kassadin, Kassadin players should equip the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Sudden Impact, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the rune sets players picked for Kassadin vs Rengar counters, this order of runes yielded the best win rate. In fact, these runes averaged a 51.0% win rate overall.
If you need to get Kassadin versus Rengar tips and matchup stats and build suggestions for a an individual division, feel free to select one from the selection menu provided above. At first, the statistics and strategies displayed are calculated using every round played with these champs.