Use Moonfall and Lunar Rush to stay on targets and activate Moonsilver Blade for extra damage.
Consider when to cast Lunar Rush without Moonlight and when to wait for another Crescent Strike.
Landing Crescent Strike is critically important, but don't be afraid to miss. The cooldown is short and the mana cost is low.
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 stats provided here clarify some important Diana versus Ornn matchup statistics that can help you appreciate the differences between the two. For instance, Diana’s KDA ratio ([kills + assists] / deaths) of NaN is more than Ornn’s KDA ratio of NaN, showing that Diana may be more central to her team's team fighting capability than Ornn. This observation is largely fueled by the differences in killsdeaths.
Diana normally has a much larger longest kill spree than her matchup does. On average, she receives less damage than Ornn. This typically indicates different amounts of tankyness, but it can also hint that the one champion has less mobility and thus is not able to flee from additional damage when engaged or poked.
Both League champs are great. Both champs have their pros and cons. In League's current meta, Diana usually fairs equally well when taking on Ornn, with a 49.3% win rate. Therefore, Diana makes an ok counter for Ornn.
While Diana does have a lower win rate compared to Ornn, when facing one another, Diana also has a lower level of difficulty that makes her a less time consuming character to pick up and master. You still need to be cautious when picking Diana into Ornn.
Furthermore, Diana has only a small amount of utility and CC, a similar amount to Ornn. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there isn't a single best champion in League of Legends, in Diana vs Ornn matchups, Ornn is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allies during late stage team fights.
Diana is a somewhat poor counter for Ornn. Make sure you focus your actions on increasing your gold and cs and taking out objectives. If you do that, you should do very well as Diana against Ornn.
If you would like to learn all of the intricacies of Diana to counter Ornn during both the lane and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you pay attention to the build and stats displayed here, you will grow your win rate by a lot and be closer to League of Legends pro players.
Diana most often gets less CS relative to Ornn. Champs who on average don't take many minion kills often don't need much CS to be valuable teammates, such as supports. These kinds of champions 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 require several high cost items to be effective. In either case, try to do better than the numbers displayed here to do well.
The most important items to have in your Diana versus Ornn build consist of Rabadon's Deathcap, Hextech Rocketbelt, and Stormsurge. When Diana bought at least these three pieces in her build, she did significantly better vs. Ornn than with most other typical counter builds. In fact, Diana boasted an average winrate of 49.3% battling Ornn with these items in her kit.
To have the highest chance of crushing Ornn as Diana, you should equip the Electrocute, Sudden Impact, Eyeball Collection, Treasure Hunter, Manaflow Band, and Scorch runes from the Domination and Sorcery rune sets. Out of all the rune combinations we have analyed for Diana vs Ornn clashes, this mixture of runes yielded the best win rate. Notably, these runes averaged a 49.3% win rate overall.
By default, tips, statistics, and builds on how to beat Ornn as Diana are displayed for all ranked divisions. To narrow the statistics and builds to an individual rank, you should use the selection menu located at the top of this page.