Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
Try harassing Tryndamere early so he can't kill minions and heal with Bloodlust.
Most of Tryndamere's damage is physical. If he's getting too strong, consider buying a Thornmail.
Remember, Tryndamere can only slow you if you are facing away from him.
The stats shown on this page show some strategic Cassiopeia versus Tryndamere counter statistics that may help us interpret the differences between these two champs. Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Tryndamere’s KDA ratio of NaN, indicating that Cassiopeia may be more central to her team's team fighting capability than Tryndamere..
Cassiopeia often has a similar longest killing spree as her counter does. Commonly, she receives less damage than Tryndamere. This commonly reflects differing health capacities, yet it can also indicate that the one champion has less mobility and thus is not able to kite away from further damage when engaged or poked.
Both League of Legends champions are great. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Cassiopeia usually fairs equally well when playing against Tryndamere, with a 49.8% win rate. Therefore, Cassiopeia makes an ok counter for Tryndamere.
While Cassiopeia does have a lower winrate compared to Tryndamere, when they face off with one another, Cassiopeia also has a much greater learning curve that makes her a more difficult character to pick up and master. You still need to be cautious when picking Cassiopeia into Tryndamereas her relative depth means you may not be able to reach her full potential without a lot of practice beforehand.
Furthermore, Cassiopeia also has a good amount of utility and CC, a similar amount to Tryndamere. This often makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there isn't a single best champion in League of Legends, in Cassiopeia vs Tryndamere matchups, Tryndamere is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during late stage team fights.
Cassiopeia is a somewhat poor counter for Tryndamere. Focus your strategy on maximizing your gold and cs and taking out objectives. If you are able to do that, you should be able to stand on your own as Cassiopeia against Tryndamere.
If you would like to truly master Cassiopeia in order to counter Tryndamere during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you mind the build and stats displayed above, you will grow your win rate significantly and be closer to League of Legends pro players.
Cassiopeia most often picks up a similar amount of CS relative to Tryndamere. Champions who typically don't take much CS often don't have to have much CS to be effective, such as support champions. They are able to scale well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically need several high cost items to be effective. In either situation, try to exceed the values displayed on this page to do well.
The most crucial items to focus on in your Cassiopeia versus Tryndamere build consist of Rylai's Crystal Scepter, Liandry's Torment, and Rod of Ages. When Cassiopeia included at least these three items in her build, she did much better versus Tryndamere than with most other typical builds. In fact, Cassiopeia boasted an average winrate of 49.8% battling Tryndamere with this counter build.
To have the best likelihood of coming out on top against Tryndamere as Cassiopeia, you should equip the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Of all the rune sets that we analyzed for Cassiopeia vs Tryndamere face-offs, this mixture of runes resulted in the best win rate. Moreover, these runes gave a 49.8% winrate overall.
If you want to view Cassiopeia x Tryndamere tips and counter builds for a a distinct player tier, feel free to choose one from the selection menu shown above. If viewing for the first time, the statistics and build suggestions displayed are computed using every round with data with these champs.