Make sure to buy items that will evolve at least 1 or 2 of your spells.
Work with your teammates to set up your Ultimate and optimize damage with your passive.
Try to catch enemy carries alone to burst them with Icathian Rain.
All of Riven's damage is physical, prioritize high Armor if an opposing Riven gets out of control.
Riven has a great deal of mobility but she cannot move very far with any one skill. Rooting or silencing her during her combo will greatly reduce her effectiveness.
Riven excels at dueling multiple melee attackers at once, as she will be on an almost equal footing damage-wise. If pairing up against Riven, don't go in as double melee until she has expended her full combo.
The stat comparisons provided here show several significant Kai'Sa against Riven matchup stats that can help us grasp the differences between the pair. For instance, Kai'Sa’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Riven’s ratio of NaN, demonstrating that Kai'Sa may be more central to her team's team fighting capability than Riven..
Kai'Sa often has a similar longest kill spree as her foe does. Typically, she takes less damage than Riven. This commonly reflects different amounts of tankyness; however, it can also illustrate that the champ with higher HP has less agility and thus is not able to escape further damage when engaged or poked.
Both League champs are great champions. Both champs have their pros and cons. In the game's current meta, Kai'Sa usually loses when playing against Riven, with a 45.8% win rate. Thus, Kai'Sa makes a poor counter for Riven.
While Kai'Sa does have a much lower win rate than Riven, when they face off with one another, Kai'Sa also has a lower learning curve that makes her a less time consuming character to pick up and master. You should be very concerned when picking Kai'Sa into Riven.
Additionally, Kai'Sa has only a small amount of utility and CC, a similar amount to Riven. This often makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Kai'Sa vs Riven matchups, Riven is the better champ with a much lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during team fights.
Kai'Sa is a bad counter to Riven. Focus your play on maximizing your CS and taking out objectives. If you can do that, you should do very well as Kai'Sa against Riven.
If you would like to truly master Kai'Sa in order to counter Riven during both the laning and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you pay attention to the build and tips shown here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Kai'Sa typically picks up a similar amount of CS as Riven. Champs who on average don't get many minion kills often don't have to have much CS to be valuable teammates, such as support champions. They are able to scale well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often need several high cost items to be effective. In either case, try to do better than the numbers reported on this page to do well.
The best items to prioritize in your Kai'Sa versus Riven build include Guardian Angel, Guinsoo's Rageblade, and Terminus. When Kai'Sa included at least these three pieces in her build, she performed significantly better vs. Riven than with many other commonly used item sets. In fact, Kai'Sa had an average winrate of 45.8% battling Riven with this build.
To have the greatest probability of annihilating Riven as Kai'Sa, you should take the Hail of Blades, Taste of Blood, Eyeball Collection, Treasure Hunter, Biscuit Delivery, and Magical Footwear runes from the Domination and Inspiration rune sets. Of all the runes that we analyzed for Kai'Sa vs Riven fights, this combination of runes yielded the best win rate. Notably, these runes gave a 45.8% winrate overall.
By default, tips, stats, and builds on how to beat Riven as Kai'Sa are shown for all ranked divisions combined. To filter the stats and builds to a particular rank, you should use the selection menu at the top of this page.