Valkyrie can be used defensively as well, so try using it for a quick escape.
Phosphorus Bomb can be used to reveal enemy units that might be hiding in a nearby patch of brush.
Corki can continue to attack while using Gatling Gun. Maximizing Gatling Gun is key to mastering Corki.
The stats shown on this page highlight several valuable Corki against Yuumi matchup statistics that may help you realize the differences between the two. As an example, Corki’s KDA ratio ([kills + assists] / deaths) of NaN is more than Yuumi’s ratio of NaN, highlighting that Corki may be more central to his team's team fighting potential than Yuumi. This observation is largely caused by the difference in kills.
Corki normally has a much larger longest killing spree than his enemy does. Typically, he receives more damage than Yuumi. This is usually reflective of different amounts of tankyness, yet it can also hint that the champion with higher HP has less mobility and thus is unable to escape further harm when engaged or poked.
Both LoL champs are great. Both champs have their pros and cons. In the game's current meta, Corki usually wins when trying to fight Yuumi, with a 53.6% win rate. Thus, Corki makes a great counter for Yuumi.
While Corki does have a higher win rate compared to Yuumi, when they face off with one another, Corki also has a much greater difficulty level that makes him a more challenging champ to learn. You don't need to be too worried when picking Corki into Yuumi.
Additionally, Corki also has only a small amount of CC and other utility, a similar amount to Yuumi. This often makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion overall in League of Legends, in Corki vs Yuumi matchups, Corki is the better champ with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your allies during late stage team fights.
Corki is a great counter to Yuumi. Make sure you focus your actions on keeping up your gold and cs and destroying objectives. If you do that, you should hold your own as Corki against Yuumi.
If you would like to truly master Corki in order to counter Yuumi during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tricks and insights into this matchup. If you pay attention to the build and stats shown here, you will grow your win rate significantly and be closer to League of Legends pro players.
Corki typically racks up much more CS compared to Yuumi. Champs who typically don't earn many minion kills typically don't require much CS to be valuable teammates, such as supports. 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, usually require many items to be effective. In either situation, try to exceed the numbers shown here to do well.
The best items to use in your Corki versus Yuumi build include Infinity Edge, Muramana, and Trinity Force. When Corki included at least these three items in his build, he performed much better when facing Yuumi than with many other common counter builds. In fact, Corki boasted an average winrate of 53.6% when playing against Yuumi with these items in his kit.
To have the highest chance of defeating Yuumi as Corki, you should take the First Strike, Magical Footwear, Biscuit Delivery, Cosmic Insight, Bone Plating, and Overgrowth runes from the Inspiration and Resolve rune sets. Out of all the rune combinations players chose for Corki vs Yuumi LoL games, this blending of runes resulted in the highest win rate. Moreover, these runes provided a 53.6% win rate overall.
If you would like to view Corki versus Yuumi tips and counter stats for a a specific skill level, feel free to select one from the selection menu above. By default, the stats and build suggestions shown are calculated using every match completed with both champs.