You can land an initial Mark of the Storm debuff on an opponent with Thundering Shuriken, and then add to it with Electrical Surge.
Lightning Rush can be used to initiate fights with its Energy return component, allowing him to use other abilities afterward.
You can stun your opponents by inflicting 3 Marks of the Storm upon them.
Try to stay away from walls. Ornn is much less strong if he cannot stun you.
Attack Ornn to keep him from creating items in lane.
The stat comparisons provided here highlight several important Kennen against Ornn counter stats that may help you grasp the distinctions between the two. As an example, Kennen’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Ornn’s KDA ratio of NaN, showing that Kennen may be more central to his team's team fighting capability than Ornn..
Kennen typically has a slightly larger longest killing spree than his matchup does. Typically, he receives less damage than Ornn. This typically indicates differing health capacities, yet it can also imply that the champion with increased health has less mobility and thus is not able to flee from additional damage when engaged or poked.
Both League of Legends champions are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Kennen usually loses when playing against Ornn, with a 45.6% win rate. Thus, Kennen makes a bad counter to Ornn.
While Kennen does have a much lower win rate than Ornn, when on opposite teams, Kennen also has a lower learning curve that makes him a less difficult champ to pick up and master. You should be very concerned when picking Kennen into Ornn.
Furthermore, Kennen also has a good amount of utility and CC, a similar amount to Ornn. This makes her just as valuable during team fights, especially when trying to counter champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Kennen vs Ornn matchups, Ornn is the better champ with a much lower win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Kennen is a garbage counter for Ornn. Make sure you focus your strategy on keeping up your CS and destroying objectives. If you can do that, you should hold your own as Kennen against Ornn.
If you would like to learn all of the intricacies of Kennen in order to counter Ornn 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 tips shown above, you should increase your win rate significantly and be closer to League of Legends pro players.
Kennen on average gets a similar amount of CS as Ornn. Champs who on average don't acquire many minion kills usualy don't need much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champions with a lot of CS, such as hyper-carries, typically have to have many items to be effective. In either case, try to exceed the numbers reported on this page to do well.
The top items to focus on in your Kennen versus Ornn build consist of Hextech Rocketbelt, Zhonya's Hourglass, and Stormsurge. When Kennen bought at least these three pieces in his build, he performed a lot better countering Ornn than with many other commonly used counter builds. In fact, Kennen boasted an average winrate of 45.6% battling Ornn with this counter build.
To have the best chance of coming out on top against Ornn as Kennen, you should use the Electrocute, Taste of Blood, Eyeball Collection, Ultimate Hunter, Absolute Focus, and Scorch runes from the Domination and Sorcery rune sets. Of all the rune combinations players chose for Kennen vs Ornn LoL games, this combination of runes yielded the highest win rate. Notably, these runes provided a 45.6% win rate overall.
If you want to see Kennen versus Ornn tips and matchup stats and build suggestions for a a particular rank, feel free to select one from the selection menu above. By default, the stats and strategies given are calculated using every round completed with both champions.