Your most important function as a support is to keep fragile allies safe. Keep Devour's range and cooldown in mind and position accordingly!
Consider carefully when to use Thick Skin's active. Sometimes shielding early to avoid further damage is good, but sometimes the healing is more beneficial.
Be wary of Cassiopeia's damage potential with Twin Fang when she has you poisoned.
Turn away from Cassiopeia when she is casting Petrifying Gaze to get slowed instead of stunned.
The stats shown on this page highlight some important Tahm Kench against Cassiopeia matchup stats that can help us figure out the distinctions between this pair of champions. Tahm Kench’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Cassiopeia’s KDA ratio of NaN, demonstrating that Tahm Kench may be more central to his team's team fighting potential than Cassiopeia..
Tahm Kench often has a slightly smaller longest kill spree than his opponent does. Typically, he receives more damage than Cassiopeia. This typically indicates different amounts of tankyness, yet it can also imply that the one champion has less mobility and thus is unable to flee from additional harm when engaged or poked.
Both League champs are great. Both champs have their pros and cons. In League's current meta, Tahm Kench usually wins when taking on Cassiopeia, with a 51.4% win rate. Thus, Tahm Kench makes a good counter for Cassiopeia.
While Tahm Kench does have a higher win rate than Cassiopeia, when facing one another, Tahm Kench also has a much lower level of difficulty that makes him a less complex character to develop with. You still need to be cautious when picking Tahm Kench into Cassiopeia.
Moreover, Tahm Kench also has a good amount of CC and other utility, a similar amount to Cassiopeia. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't a single best champion in League of Legends, in Tahm Kench vs Cassiopeia matchups, Tahm Kench is the better champ with a higher win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Tahm Kench is a decent counter to Cassiopeia. Make sure you focus your tactics on keeping up your gold income and clearing objectives. If you are able to do that, you should do very well as Tahm Kench against Cassiopeia.
If you would like to learn all of the intricacies of Tahm Kench to counter Cassiopeia during both the lane and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and suggestions shown above, you will increase your win rate by a lot and be closer to League of Legends pro players.
Tahm Kench most often accumulates a similar amount of CS relative to Cassiopeia. Champions who typically don't earn many minion kills usualy don't have to have much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually require a lot of items to be effective. In either case, try to do better than the values reported on this page to do well.
The best items to use in your Tahm Kench versus Cassiopeia build include Sunfire Aegis, Thornmail, and Heartsteel. When Tahm Kench included at least these three items in his build, he performed a lot better against Cassiopeia than with most other common counter builds. In fact, Tahm Kench had an average win rate of 51.4% when playing against Cassiopeia with this build.
To have the best chance of beating Cassiopeia as Tahm Kench, you should take the Grasp of the Undying, Shield Bash, Second Wind, Unflinching, Legend: Alacrity, and Triumph runes from the Resolve and Precision rune sets. Of all the rune combinations players picked for Tahm Kench vs Cassiopeia matchups, this mixture of runes resulted in the greatest win rate. Notably, these runes averaged a 51.4% winrate overall.
By default, tips, stats, and builds on how to beat Cassiopeia as Tahm Kench are shown for all skill levels combined. If you want to narrow the statistics and builds to a specific skill level, you should use the selection menu located earlier in the counter matchup guide.