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.
Orianna can only affect the area the Ball is around. Use this to your advantage.
Watch out for Orianna's Ball returning to her due to leashing. This may cause some unexpected situations.
The stats provided here show several vital Nami vs. Orianna matchup statistics that may help you interpret the differences between the pair. For instance, Nami’s KDA ratio ([kills + assists] / deaths) of NaN is more than Orianna’s ratio of NaN, indicating that Nami may be more central to her team's team fighting effectiveness than Orianna. This observation is largely fueled by the differences in assists.
Nami normally has a significantly smaller longest killing spree than her counter does. On average, she takes a similar amount of damage to Orianna. This typically indicates different amounts of tankyness, but it can also show that the champ with higher HP has less agility and thus is unable to kite away from further harm when poked or engaged.
Both League champs are great. Both have their pros and cons. In League's current meta, Nami usually wins when playing against Orianna, with a 51.9% win rate. Therefore, Nami makes a good counter for Orianna.
While Nami does have a higher win rate than Orianna, when on opposite teams, Nami also has a lower level of difficulty that makes her a less challenging champion to pick up and master. You should be careful when picking Nami into Orianna.
Moreover, Nami has a great amount of CC and other utility, a similar amount to Orianna. This often makes her just as valuable during teamfights, especially when facing champions with a lot of burst damage.
While there is not one best champion overall in League of Legends, in Nami vs Orianna matchups, Nami is the better champion with a higher win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Nami is a decent counter for Orianna. Focus your tactics on increasing your gold and cs and taking out objectives. If you are able to do that, you should do very well as Nami against Orianna.
If you would like to truly master Nami to counter Orianna during both the early game and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you listen to the build and suggestions displayed above, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Nami most often picks up a lot less CS as Orianna. Champs who on average don't earn much CS usualy don't require much CS to be effective, such as supports. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually require a lot of items to be effective. In either case, try to do better than the values displayed on this page to do well.
The most crucial items to prioritize in your Nami versus Orianna build include Dream Maker, Staff of Flowing Water, and Moonstone Renewer. When Nami included at least these three items in her build, she did much better vs Orianna than with most other commonly used counter builds. In fact, Nami boasted an average win rate of 51.9% battling Orianna with this build.
To have the highest chance of defeating Orianna 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 used for Nami vs Orianna LoL games, this mixture of runes yielded the highest win rate. In fact, these runes averaged a 51.9% winrate overall.
If you would like to see Nami versus Orianna tips and counter stats for a an individual division rank, please choose one from the selection menu above. If viewing for the first time, the stats and build suggestions displayed are calculated using every match finished with these champs.