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.
Try to engage him in short bursts instead of going toe-to-toe with him. Preventing him from attacking consecutively drastically lowers his damage output.
Jax can dodge all incoming attacks for a very short amount of time and stuns enemies in melee range when it ends. Wait to strike him until after his dodge is finished.
The stat comparisons shown on this page underscore some valuable Corki versus Jax matchup stats that may help us understand the differences and similarities between the pair. As an example, Corki’s KDA ratio ([kills + assists] / deaths) of NaN is more than Jax’s ratio of NaN, highlighting that Corki may be more central to his team's team fighting capacity than Jax..
Corki often has a similar longest killing spree as his counter does. Commonly, he receives less damage than Jax. This is usually reflective of differing health capacities, but it can also illustrate that the one champion has less mobility and thus is not able to escape further harm when engaged or poked.
Both League champions are great champions. Both have their pros and cons. In League's current meta, Corki usually fairs equally well when taking on Jax, with a 49.5% win rate. As a result, Corki makes an ok counter for Jax.
While Corki does have a lower win rate than Jax, when they face off with one another, Corki also has a greater level of difficulty that makes him a more complex champion to learn. You still need to be cautious when picking Corki into Jax.
Furthermore, Corki has only a small amount of CC and other utility, a similar amount to Jax. This makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Corki vs Jax matchups, Jax is the better champ with a similar win rate, more champion depth, and a similar amount of utility to help out your allied champions during late stage team fights.
Corki is a somewhat poor counter to Jax. Focus your play on keeping up your CS and taking out objectives. If you can do that, you should be able to stand on your own as Corki against Jax.
If you would like to truly master Corki in order to counter Jax during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you pay attention to the build and stats displayed above, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Corki typically gets more CS as Jax. Champions who typically don't acquire many minion kills often don't need 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, typically need many items to be effective. In either case, try to do better than the values shown here to do well.
The most crucial items to prioritize in your Corki versus Jax build include Muramana, Trinity Force, and Spear of Shojin. When Corki incorporated at least these three items in his build, he did significantly better when facing Jax than with many other common item sets. In fact, Corki boasted an average win rate of 49.5% battling Jax with this counter build.
To have the best likelihood of crushing Jax as Corki, Corki players should take the First Strike, Magical Footwear, Biscuit Delivery, Cosmic Insight, Bone Plating, and Overgrowth runes from the Inspiration and Resolve rune sets. Of all the runes that we analyzed for Corki vs Jax fights, this composite of runes yielded the highest win rate. Moreover, these runes gave a 49.5% win rate overall.
By default, tips, stats, and builds on how to beat Jax as Corki are shown for all ranked divisions. If you would like to narrow the stats and builds to a specific skill level, you can use the selection menu located earlier on the page.