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.
If Master Yi tries to farm with Alpha Strike, hit him a few times so he has to use mana with Meditate to heal.
Although Master Yi cannot be slowed while using Highlander, other disables can stop him in his tracks.
Meditate is an effective method of healing damage over time, but Master Yi is susceptible to coordinated team ganks early in the game.
The stat comparisons shown on this page highlight some valuable Cassiopeia against Master Yi matchup statistics that may help us understand the differences between the pair. Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is more than Master Yi’s KDA ratio of NaN, highlighting that Cassiopeia may be more central to her team's team fighting potential than Master Yi..
Cassiopeia normally has a similar longest kill spree as her counter does. On average, she receives less damage than Master Yi. This typically indicates differing health capacities, but it can also imply that the champion with more health has less agility and thus is not able to flee from additional damage when engaged or poked.
Both LoL champions are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Cassiopeia usually loses when taking on Master Yi, with a 48.8% win rate. Thus, Cassiopeia makes a poor counter to Master Yi.
While Cassiopeia does have a lower winrate compared to Master Yi, when on opposite teams, Cassiopeia also has a much greater difficulty level that makes her a more challenging champ to learn and master. You still need to be cautious when picking Cassiopeia into Master Yias her relative depth means you may not be able to reach her full potential without a significant amount of practice beforehand.
Moreover, Cassiopeia also has a good amount of CC and other utility, a similar amount to Master Yi. This makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion in League of Legends, in Cassiopeia vs Master Yi matchups, Master Yi is the better champion with a lower win rate, more champion depth, and a similar amount of utility to help out your allies during team fights.
Cassiopeia is a somewhat poor counter for Master Yi. Make sure you focus your play on maximizing your CS and taking out objectives. If you are able to do that, you should do very well as Cassiopeia against Master Yi.
To truly master Cassiopeia to counter Master Yi during both the lane 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 stats displayed here, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Cassiopeia typically accumulates much more CS compared to Master Yi. Champions who on average don't get many minion kills typically don't have to have much CS to be valuable teammates, such as sup champs. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often require several high cost items to be effective. In either case, try to surpass the numbers displayed on this page to do well.
The most crucial items to prioritize in your Cassiopeia versus Master Yi build include Seraph's Embrace, Rabadon's Deathcap, and Rylai's Crystal Scepter. When Cassiopeia included at least these three items in her build, she performed much better when facing Master Yi than with most other commonly used counter builds. In fact, Cassiopeia boasted an average winrate of 48.8% battling Master Yi with these items in her kit.
To have the highest probability of vanquishing Master Yi as Cassiopeia, Cassiopeia players 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 players used for Cassiopeia vs Master Yi battles, this combo of runes yielded the best win rate. In fact, these runes provided a 48.8% win rate overall.
By default, tips, stats, and builds on how to beat Master Yi as Cassiopeia are displayed for all ranked divisions. If you want to filter the statistics and builds to a specific rank, you may use the selection menu located above.