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.
Meditate is an effective method of healing damage over time, but Master Yi is susceptible to coordinated team ganks early in the game.
Although Master Yi cannot be slowed while using Highlander, other disables can stop him in his tracks.
If Master Yi tries to farm with Alpha Strike, hit him a few times so he has to use mana with Meditate to heal.
The stat comparisons shown here feature several significant Cassiopeia versus Master Yi matchup stats that may help us distinguish the differences between the pair. Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is more than Master Yi’s ratio of NaN, showing that Cassiopeia may be more central to her team's team fighting capacity than Master Yi..
Cassiopeia normally has a slightly smaller longest killing spree than her foe does. Commonly, she receives less damage than Master Yi. This is usually reflective of different amounts of tankyness, but it can also illustrate that the champ with more health has less agility and thus is unable to flee from additional damage when engaged or poked.
Both League champs are great champions. Both champs have their strengths, weaknesses, and counters. In League's current meta, Cassiopeia usually fairs equally well when trying to fight Master Yi, with a 49.0% win rate. Thus, Cassiopeia makes an ok counter to Master Yi.
While Cassiopeia does have a lower winrate than Master Yi, when on opposite teams, Cassiopeia also has a much greater level of difficulty that makes her a more complex champion to pick up and master. You should be careful when picking Cassiopeia into Master Yias her relative depth means that you may not be able to reach her full potential without a lot of practice beforehand.
Moreover, Cassiopeia has a good amount of utility and CC, a similar amount to Master Yi. This often makes her just as valuable during team fights, especially when fighting champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Cassiopeia vs Master Yi matchups, Master Yi 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 teamfights.
Cassiopeia is a somewhat poor counter to Master Yi. Focus your actions on keeping up your gold income and clearing objectives. If you do that, you should be able to stand on your own as Cassiopeia against Master Yi.
If you would like to learn all of the intricacies of Cassiopeia to counter Master Yi during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you listen to the build and tips shown here, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Cassiopeia usually gets much more CS as Master Yi. Champions who on average don't earn much CS often don't have to have much CS to be valuable teammates, such as sup champs. They are able to scale well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often have to have a lot of items to be effective. In either case, try to do better than the values shown here to do well.
The most important items to use in your Cassiopeia versus Master Yi build include Everfrost, Seraph's Embrace, and Rylai's Crystal Scepter. When Cassiopeia combined at least these three pieces in her build, she did significantly better countering Master Yi than with many other typical builds. In fact, Cassiopeia boasted an average win rate of 49.0% when countering Master Yi with this counter build.
To have the highest chance of beating Master Yi 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. Out of all the rune builds players picked for Cassiopeia vs Master Yi face-offs, this composite of runes resulted in the greatest win rate. Notably, these runes gave a 49.0% winrate overall.
By default, tips, statistics, and builds on how to beat Master Yi as Cassiopeia are displayed for all skill levels, merged. If you want to filter the stats and builds to a particular skill level, you should use the selection menu above.