Initiate team fights using Charm, and chase down stragglers with Spirit Rush.
Spirit Rush enables Ahri's abilities, it opens up paths for Charm, helps double hitting with Orb of Deception, and closes to make use of Fox-Fire.
Use Charm to set up your combos, it will make landing Orb of Deception and Fox-Fire dramatically easier.
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 provided here emphasize several strategic Ahri vs. Master Yi counter stats that may help us interpret the differences between the two. For instance, Ahri’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Master Yi’s KDA ratio of NaN, showing that Ahri may be more central to her team's team fighting capacity than Master Yi..
Ahri often has a slightly smaller longest killing spree than her enemy does. Commonly, she receives less damage than Master Yi. This often reflects differing health capacities, yet it can also imply that the champion with higher HP has less agility and thus is not able to escape additional damage when poked or engaged.
Both League of Legends champs are great. Both champs have their pros and cons. In League's current meta, Ahri usually loses when trying to fight Master Yi, with a 47.9% win rate. As a result, Ahri makes a bad counter for Master Yi.
While Ahri does have a lower win rate compared to Master Yi, when facing one another, Ahri also has a greater level of difficulty that makes her a more challenging champ to learn and master. You may get destroyed when picking Ahri into Master Yi.
Moreover, Ahri 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 facing champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Ahri vs Master Yi matchups, Master Yi is the better champ with a lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Ahri is a garbage counter to Master Yi. You will do well by focussing your strategy on maximizing your gold and cs and clearing objectives. If you do that, you should hold your own as Ahri against Master Yi.
If you would like to learn all of the intricacies of Ahri in order to counter Master Yi during both the laning and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and stats presented above, you should grow your win rate by a lot and be that much closer to League of Legends pro players.
Ahri often gets much more CS as Master Yi. Champions who typically don't earn many minion kills usualy don't have to have much CS to be effective, such as support champions. They are capable of scaling properly off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, often have to have a lot of items to be effective. In either case, try to exceed the numbers reported on this page to do well.
The best items to focus on in your Ahri versus Master Yi build consist of Malignance, Zhonya's Hourglass, and Shadowflame. When Ahri combined at least these three pieces in her build, she did a lot better against Master Yi than with most other commonly used item sets. In fact, Ahri had an average winrate of 47.9% when countering Master Yi with these items in her kit.
To have the highest chance of vanquishing Master Yi as Ahri, you should equip the Electrocute, Taste of Blood, Eyeball Collection, Ultimate Hunter, Manaflow Band, and Transcendence runes from the Domination and Sorcery rune sets. Out of all the rune builds players chose for Ahri vs Master Yi counters, this combination of runes yielded the greatest win rate. Notably, these runes provided a 47.9% winrate overall.
If you want to view Ahri x Master Yi tips and counter builds for a a particular division, feel free to choose one from the selection menu shown above. By default, the statistics and build suggestions displayed are computed using every round run with these champions.