Remember, you don't always have to ride Weaver's Wall.
Try to throw enemies into Unraveled Earth using Seismic Shove.
Once you have Rylai's Crystal Scepter, casting Threaded Volley at enemies chasing you is a great way of making them regret everything.
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 stat comparisons shown here show some valuable Taliyah against Cassiopeia matchup stats that can help us interpret the differences between this pair of champions. As an example, Taliyah’s KDA ratio ([kills + assists] / deaths) of NaN is more than Cassiopeia’s ratio of NaN, showing that Taliyah may be more central to her team's team fighting capacity than Cassiopeia..
Taliyah normally has a similar longest kill spree as her foe does. Typically, she takes less damage than Cassiopeia. This is usually reflective of different amounts of tankyness; however, it can also imply that the champ with increased health has less agility and thus is not able to kite away from further harm when poked or engaged.
Both League of Legends champs are great. Both champs have their pros and cons. In League's current meta, Taliyah usually loses when trying to fight Cassiopeia, with a 46.9% win rate. Thus, Taliyah makes a bad counter for Cassiopeia.
While Taliyah does have a lower win rate than Cassiopeia, when facing one another, Taliyah also has a much lower level of difficulty that makes her a less time consuming champion to develop with. You should expect to face a difficult match when picking Taliyah into Cassiopeia.
Moreover, Taliyah has a good amount of utility and CC, a similar amount to Cassiopeia. This often makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not a single best champion in League of Legends, in Taliyah vs Cassiopeia matchups, Cassiopeia is the better champ with a much lower win rate, less champion complexity, and a similar amount of utility to help out your allies during team fights.
Taliyah is a trash counter to Cassiopeia. You will do well by focussing your play on maximizing your gold income and clearing objectives. If you do that, you should be able to stand on your own as Taliyah against Cassiopeia.
To learn all of the intricacies of Taliyah in order to counter Cassiopeia during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you listen to the build and tips shown above, you should grow your win rate by a lot and be closer to League of Legends pro players.
Taliyah on average accumulates a similar amount of CS relative to Cassiopeia. Champs who typically don't take much CS often don't require much CS to be effective, such as sup champs. They are able to scale properly off of their abilities and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often require several high cost items to be effective. In either case, try to exceed the numbers reported on this page to do well.
The most important items to have in your Taliyah versus Cassiopeia build include Rabadon's Deathcap, Shadowflame, and Luden's Companion. When Taliyah incorporated at least these three pieces in her build, she did significantly better vs Cassiopeia than with many other commonly used item sets. In fact, Taliyah had an average winrate of 46.9% when playing against Cassiopeia with these items in her kit.
To have the greatest likelihood of annihilating Cassiopeia as Taliyah, Taliyah players should use the First Strike, Magical Footwear, Biscuit Delivery, Cosmic Insight, Manaflow Band, and Transcendence runes from the Inspiration and Sorcery rune sets. Out of all the rune sets players used for Taliyah vs Cassiopeia matchups, this sequence of runes yielded the best win rate. In fact, these runes gave a 46.9% win rate overall.
By default, tips, stats, and builds on how to beat Cassiopeia as Taliyah are displayed for all ranked divisions combined. To filter the statistics and builds to a particular player tier, you should use the selection menu earlier in the counter matchup guide.