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!
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.
The Rengar Kassadin synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Kassadin, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Rengar sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Kassadin. His KDA decreased from NaN to NaN. This worsening shows that Kassadin helps Rengar perform poorer in ranked League of Legends matches. Yet, the small difference proves that this performance change is not very impactful.
When Rengar is paired with Kassadin, he sees a small decrease in his total damage dealt. This difference may demonstrate that Kassadin doesn't help cover for him to deal more damage or that his allyship also helps extend the round's duration. Similarly, when Rengar is played with Kassadin on the same side, he usually scores many fewer killing sprees than when he plays alone. This is contrasting evidence that he is worse when playing with Kassadin.
Additionally, when Rengar plays with Kassadin on the same side, he typically receives a little less damage than when he fights alone. Receiving not as much damage may indicate that Kassadin does a decent job of covering Rengar during team fights.
There is no universally accepted best champion pairing for Rengar that will no matter what be his best teammate. However, Kassadin is a very typical companion for Rengar. By playing on the same team as Rengar, he increases their win rate by 0.9% to 49.9%. This demonstrates that there is a weak strategic relationship between Rengar and Kassadin that results in them performing better together than alone.
Kassadin has a lower difficulty than Rengar. That means you don't need to be very careful when enlisting Kassadin teammates to go into battle on the same side as, as they will have to have a lower level of skill to fight well with you.
Fighting alongside, Rengar players will likely see an overall large increase in your team’s capability to destroy wih physical damage. When paired, these champions should be able to take down targets with auto-attacks and other AD damage abilities.
Although, by aligning Rengar and Kassadin together, you will not be giving your team much crowd control. Plan to include other champions on your team that fills this relative disparity in this pairing's kit.
Regardless of the ability of your Kassadin teammate, you should focus on increasing your gold income, warding to avoid ambushes, and taking down objectives. If you heed this simple advice, you will do well anyway.
If you would like to truly master Rengar to pair well with Kassadin during both the early game and mid / late game phases of LoL matches, you should keep reading to learn a few extra lessons on this champion pairing. If you use the build and stats displayed here, you should increase your win rate significantly.
The most crucial finished items to include in your Rengar and Kassadin synergy build consist of Edge of Night, Serylda's Grudge, and Opportunity. When Rengar bought at least these three items in his build, he performed a lot better as an ally of Kassadin than with many other common item sets. In fact, Rengar had an average win rate of 49.9% when synergizing his build and playstyle to Kassadin with this build.
To have the best probability of annihilating your oponents, you should take 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 that we analyzed for this team composition, this set of runes yielded the top win rate. Moreover, these runes averaged a 49.9% winrate overall.
By default, tips, stats, and builds on how to team up Kassadin with Rengar are presented for all skill levels combined. If you would like to narrow the stats and builds to a specific rank, you can use the selection menu earlier in the counter matchup guide.