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.
Rammus often stacks high Armor, leaving him especially vulnerable to caster damage while not in Defensive Ball Curl.
Pay particular attention to when his Defensive Ball Curl is off. Rammus has much lower stats than a normal tank when he's out of the stance.
The stats provided here clarify several valuable Kai'Sa versus Rammus matchup statistics that can help us figure out the differences and similarities between the pair. For instance, Kai'Sa’s KDA ratio ([kills + assists] / deaths) of NaN is more than Rammus’s ratio of NaN, indicating that Kai'Sa may be more central to her team's team fighting effectiveness than Rammus. This observation is in large part caused by the difference in kills.
Kai'Sa often has a slightly larger longest killing spree than her foe does. Commonly, she takes less damage than Rammus. This often reflects differing health capacities, but it can also indicate that the champ with increased HP has less mobility and thus is not able to flee from further harm when engaged or poked.
Both League champs are great champions. Both have their pros and cons. In the game's current meta, Kai'Sa usually loses when taking on Rammus, with a 44.4% win rate. Therefore, Kai'Sa makes a poor counter to Rammus.
While Kai'Sa does have a much lower winrate than Rammus, when facing one another, Kai'Sa also has a greater level of difficulty that makes her a more challenging champ to develop with. You should be very concerned when picking Kai'Sa into Rammus.
Moreover, Kai'Sa also has only a small amount of CC and other utility, a similar amount to Rammus. This makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there is not one best champion for every situation in League of Legends, in Kai'Sa vs Rammus matchups, Rammus is the better champ with a much lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Kai'Sa is a trash counter to Rammus. Focus your play on increasing your CS and destroying objectives. If you are able to do that, you should be able to stand on your own as Kai'Sa against Rammus.
If you would like to truly master Kai'Sa to counter Rammus 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 stats shown here, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Kai'Sa on average picks up much more CS as Rammus. Champions who on average don't get many minion kills often don't require much CS to be effective, such as support champions. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need several high cost items to be effective. In either case, try to surpass the numbers reported here to do well.
The best items to have in your Kai'Sa versus Rammus build consist of Nashor's Tooth, Terminus, and Kraken Slayer. When Kai'Sa bought at least these three pieces in her build, she did much better against Rammus than with most other typical counter builds. In fact, Kai'Sa had an average win rate of 44.4% battling Rammus with this build.
To have the best chance of beating Rammus as Kai'Sa, Kai'Sa players 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 rune combinations that we analyzed for Kai'Sa vs Rammus battles, this mix of runes yielded the greatest win rate. Moreover, these runes averaged a 44.4% win rate overall.
If you would like to view Kai'Sa vs Rammus tips and matchup stats and build suggestions for a a particular skill level, feel free to select one from the selection menu shown above. If viewing for the first time, the statistics and guides displayed are calculated using every match with data with both champs.