Amumu is highly dependent on teammates, so try laning with your friends for maximum effectiveness.
Despair is very effective against other tanks, so make sure you're in range of opponents with the highest Health.
Cooldown Reduction on Amumu is very strong, but it's often difficult to itemize for it. Grab the Golem buff whenever possible to gain Cooldown Reduction without sacrificing stats.
When Kayn is in terrain near you, you will get a visual warning on the edge of the terrain he's in.
Umbral Trespass requires Kayn to damage a target first. Try to dodge Blade's Reach to deny him a long range cast of Umbral Trespass.
Damage Kayn while he's in Shadow Step to shorten its duration, or apply hard crowd control (stun, charm, knockup, etc) to end Shadow Step immediately.
The stats shown here emphasize some valuable Amumu vs. Kayn counter stats that may help you explain the distinctions between the pair. For instance, Amumu’s KDA ratio ([kills + assists] / deaths) of NaN is better than Kayn’s KDA ratio of NaN, demonstrating that Amumu may be more central to his team's team fighting potential than Kayn..
Amumu usually has a slightly smaller longest kill spree than his opponent does. On average, he receives less damage than Kayn. This typically indicates differing health capacities, yet it can also imply that the one champ has less agility and thus is unable to kite away from further harm when engaged or poked.
Both LoL champions are great champions. Both champs have their pros and cons. In the game's current meta, Amumu usually fairs equally well when taking on Kayn, with a 49.0% win rate. As a result, Amumu makes an ok counter to Kayn.
While Amumu does have a lower win rate than Kayn, when facing one another, Amumu also has a much lower learning curve that makes him a less difficult champion to learn. You should be careful when picking Amumu into Kayn.
Furthermore, Amumu also has a very large amount of CC and other utility, a similar amount to Kayn. This makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there is not one best champion for every situation in League of Legends, in Amumu vs Kayn matchups, Kayn is the better champ with a similar win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Amumu is a somewhat poor counter for Kayn. You will do well by focussing your play on maximizing your gold income and taking out objectives. If you are able to do that, you should be able to stand on your own as Amumu against Kayn.
If you would like to truly master Amumu in order to counter Kayn during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you listen to the build and suggestions displayed here, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Amumu on average gets a similar amount of CS compared to Kayn. Champs who on average don't acquire much CS usualy don't require much CS to be effective, such as sup champs. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, typically require a lot of items to be effective. In either case, try to surpass the numbers reported here to do well.
The most crucial items to focus on in your Amumu versus Kayn build include Sunfire Aegis, Frozen Heart, and Demonic Embrace. When Amumu bought at least these three pieces in his build, he did significantly better vs Kayn than with many other typical item sets. In fact, Amumu had an average winrate of 49.0% battling Kayn with this counter build.
To have the greatest chance of annihilating Kayn as Amumu, Amumu players should use the Conqueror, Triumph, Legend: Tenacity, Last Stand, Cheap Shot, and Treasure Hunter runes from the Precision and Domination rune sets. Out of all the rune combinations players picked for Amumu vs Kayn counters, this sequence of runes yielded the best win rate. Notably, these runes gave a 49.0% winrate overall.
If you would like to see Amumu vs Kayn tips and counter builds for a an individual player tier, please select one from the selection menu above. At first, the stats and build suggestions shown are calculated using every round finished with both champions.