Nami's ultimate can come in very handy for initiating on enemies who are far away.
Using Ebb and Flow during an engagement with enemy champions will help sway the battle in your favor.
Aqua Prison has a long cooldown, make sure to use it at the right moment.
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 stats provided here underscore several vital Nami versus Master Yi counter stats that can help us interpret the differences between the pair. Nami’s KDA ratio ([kills + assists] / deaths) of NaN is better than Master Yi’s KDA ratio of NaN, indicating that Nami may be more central to her team's team fighting capability than Master Yi. This observation is largely caused by the differences in assists.
Nami usually has a significantly smaller longest kill spree than her matchup does. Commonly, she takes less damage than Master Yi. This commonly reflects different amounts of tankyness, but it can also show that the one champ has less agility and thus is not able to escape additional damage when poked or engaged.
Both League champs are great. Both have their pros and cons. In the game's current meta, Nami usually loses when playing against Master Yi, with a 47.5% win rate. Therefore, Nami makes a poor counter for Master Yi.
While Nami does have a lower winrate compared to Master Yi, when facing one another, Nami also has a greater difficulty level that makes her a more challenging champ to learn and master. You may get destroyed when picking Nami into Master Yi.
Moreover, Nami also has a great deal of CC and other utility, a similar amount to Master Yi. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there is not a single best champion for every situation in League of Legends, in Nami 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 teammates during late stage team fights.
Nami is a garbage counter for Master Yi. You will do well by focussing your actions on maximizing your CS and clearing objectives. If you do that, you should hold your own as Nami against Master Yi.
To truly master Nami in order to counter Master Yi during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you listen to the build and stats displayed above, you should increase your win rate significantly and be that much closer to League of Legends pro players.
Nami usually picks up less CS as Master Yi. Champions who typically don't earn many minion kills typically don't require much CS to be valuable teammates, such as supports. 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 need many items to be effective. In either case, try to exceed the values displayed here to do well.
The best items to focus on in your Nami versus Master Yi build include Shurelya's Battlesong, Ardent Censer, and Staff of Flowing Water. When Nami incorporated at least these three pieces in her build, she performed much better countering Master Yi than with most other common builds. In fact, Nami had an average winrate of 47.5% battling Master Yi with this build.
To have the highest likelihood of crushing Master Yi as Nami, you should equip the Summon Aery, Manaflow Band, Transcendence, Scorch, Bone Plating, and Revitalize runes from the Sorcery and Resolve rune sets. Out of all the rune combinations players chose for Nami vs Master Yi counters, this composite of runes resulted in the best win rate. Notably, these runes provided a 47.5% win rate overall.
If you would like to get Nami vs Master Yi tips and builds for a a particular division rank, please select one from the selection menu provided above. At first, the stats and strategies given are calculated using all games finished with these champions.