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 underscore several influential Yuumi vs. Cassiopeia counter statistics that can help us explain the differences between the two. For instance, Yuumi’s KDA ratio ([kills + assists] / deaths) of NaN is better than Cassiopeia’s KDA ratio of NaN, demonstrating that Yuumi may be more central to her team's team fighting capability than Cassiopeia. This observation is largely fueled by the differences in assists.
Yuumi normally has a significantly smaller longest kill spree than her counter does. Typically, she receives less damage than Cassiopeia. This commonly reflects differing health capacities, but it can also show that the one champion has less agility and thus is unable to kite away from additional damage when poked or engaged.
Both LoL champions are great champions. Both have their strengths, weaknesses, and counters. In League's current meta, Yuumi usually loses when taking on Cassiopeia, with a 42.7% win rate. Thus, Yuumi makes a bad counter to Cassiopeia.
While Yuumi does have a much lower win rate than Cassiopeia, when facing one another, Yuumi also has a much lower learning curve that makes her a less difficult champ to develop with. You may get destroyed when picking Yuumi into Cassiopeia.
Moreover, Yuumi has a great amount of utility and CC, a similar amount to Cassiopeia. This makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Yuumi vs Cassiopeia matchups, Cassiopeia is the better champion with a much lower win rate, less champion complexity, and a similar amount of utility to help out your teammates during team fights.
Yuumi is a garbage counter for Cassiopeia. Make sure you focus your gameplay on maximizing your gold income and taking out objectives. If you do that, you should hold your own as Yuumi against Cassiopeia.
To truly master Yuumi in order to counter Cassiopeia during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you pay attention to the build and suggestions presented above, you should grow your win rate by a lot and be closer to League of Legends pro players.
Yuumi on average accumulates a lot less CS as Cassiopeia. Champs who on average don't get many minion kills typically don't have to have much CS to be effective, such as sup champs. They are able to scale properly off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically have to have several high cost items to be effective. In either case, try to do better than the numbers displayed on this page to do well.
The most important items to use in your Yuumi versus Cassiopeia build consist of Ardent Censer, Dream Maker, and Moonstone Renewer. When Yuumi included at least these three pieces in her build, she performed significantly better countering Cassiopeia than with most other common item sets. In fact, Yuumi boasted an average winrate of 42.7% when countering Cassiopeia with these items in her kit.
To have the highest probability of annihilating Cassiopeia as Yuumi, Yuumi players should use the Summon Aery, Manaflow Band, Transcendence, Scorch, Font of Life, and Revitalize runes from the Sorcery and Resolve rune sets. Of all the runes we have analyed for Yuumi vs Cassiopeia matchups, this mixture of runes yielded the best win rate. Moreover, these runes averaged a 42.7% winrate overall.
If you want to get Yuumi x Cassiopeia tips and counter builds for a a specific division rank, feel free to select one from the selection menu displayed above. If viewing for the first time, the stats and strategies shown are calculated using all rounds finished with these champs.