Aqua Prison is a very powerful ability with a long cooldown, take advantage of the situation if Nami misses this ability.
Tidal Wave has a very long range but travels slowly, be aware of when it is coming your way as you can move out of its path.
Try to avoid fighting an opponent affected by Tidecaller's Blessing, it lasts a short duration so waiting it out can help you greatly.
The stat comparisons provided here show several strategic Sett against Nami counter stats that may help us understand the differences and similarities between the two. Sett’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Nami’s ratio of NaN, showing that Sett may be more central to his team's team fighting effectiveness than Nami. This observation is largely fueled by the difference in kills.
Sett often has a much larger longest kill spree than his foe does. On average, he takes more damage than Nami. This typically indicates different amounts of tankyness, yet it can also hint that the one champ has less agility and thus is unable to escape additional harm when engaged or poked.
Both League of Legends champions are great champions. Both champs have their pros and cons. In the game's current meta, Sett usually fairs equally well when playing against Nami, with a 50.9% win rate. Thus, Sett makes an ok counter to Nami.
While Sett does have a higher winrate than Nami, when on opposite teams, Sett also has a lower level of difficulty that makes him a less challenging champ to learn and master. You should be careful when picking Sett into Nami.
Additionally, Sett also has only a small amount of utility and CC, a similar amount to Nami. This often makes her just as valuable during teamfights, especially when fighting champions with a ton of burst damage.
While there isn't one best champion for every situation in League of Legends, in Sett vs Nami matchups, Sett is the better champion with a similar win rate, less champion complexity, and a similar amount of utility to help out your allied champions during teamfights.
Sett is a decent counter for Nami. Make sure you focus your gameplay on maximizing your gold and cs and taking out objectives. If you can do that, you should do very well as Sett against Nami.
To learn all of the intricacies of Sett in order to counter Nami during both the early game and mid / late game phases of League of Legends, you should keep reading to gather a few extra lessons on this matchup. If you listen to the build and stats displayed above, you will grow your win rate significantly and be closer to League of Legends pro players.
Sett usually picks up much more CS relative to Nami. Champions who on average don't earn many minion kills usualy don't need much CS to be effective, 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, usually require a lot of items to be effective. In either situation, try to do better than the numbers shown on this page to do well.
The top items to have in your Sett versus Nami build consist of Sterak's Gage, Hullbreaker, and Titanic Hydra. When Sett used at least these three pieces in his build, he did a lot better countering Nami than with most other commonly used counter builds. In fact, Sett had an average winrate of 50.9% when playing against Nami with this build.
To have the highest chance of crushing Nami as Sett, Sett players should take the Grasp of the Undying, Demolish, Second Wind, Overgrowth, Last Stand, and Triumph runes from the Resolve and Precision rune sets. Of all the rune sets players used for Sett vs Nami face-offs, this combination of runes resulted in the best win rate. Notably, these runes averaged a 50.9% winrate overall.
If you would like to get Sett versus Nami tips and matchup stats and build suggestions for a a specific division rank, feel free to choose one from the selection menu shown above. If viewing for the first time, the stats and guides displayed are calculated using every match with data with these champions.