Make sure to tag your allies while Sona's auras are active, but avoid getting caught out by enemies.
Save Crescendo for the game-altering moment.
Well-timed uses of Aria of Perseverance will grant you maximum survivability.
The stats provided here clarify several important Sona against Sett counter statistics that may help us understand the differences between the pair. For instance, Sona’s KDA ratio ([kills + assists] / deaths) of NaN is more than Sett’s KDA ratio of NaN, highlighting that Sona may be more central to her team's team fighting capacity than Sett. This observation is in large part fueled by the differences in assists.
Sona often has a significantly smaller longest kill spree than her matchup does. Typically, she receives less damage than Sett. This commonly reflects different amounts of tankyness, but it can also hint that the champion with increased health has less agility and thus is not able to kite away from additional damage when poked or engaged.
Both League champs are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Sona usually fairs equally well when playing against Sett, with a 49.7% win rate. Thus, Sona makes an ok counter to Sett.
While Sona does have a lower winrate compared to Sett, when on opposite teams, Sona also has a greater learning curve that makes her a more complex character to pick up and master. You still need to be cautious when picking Sona into Sett.
Additionally, Sona has a lot of utility and CC, a similar amount to Sett. This often makes her just as valuable during teamfights, especially when fighting champions with a lot of burst damage.
While there isn't one best champion for every situation in League of Legends, in Sona vs Sett matchups, Sett 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 teamfights.
Sona is a somewhat poor counter to Sett. Focus your tactics on keeping up your gold income and destroying objectives. If you do that, you should hold your own as Sona against Sett.
To truly master Sona to counter Sett during both the early game and mid / late game phases of League of Legends, you should keep reading to learn a few extra lessons on this matchup. If you listen to the build and suggestions displayed above, you should increase your win rate significantly and be closer to League of Legends pro players.
Sona usually gets a lot less CS relative to Sett. Champs who typically don't acquire many minion kills usualy don't need much CS to be effective, such as sup champs. These kinds of champions are able to scale well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often have to have many items to be effective. In either case, try to do better than the values reported here to do well.
The most important items to use in your Sona versus Sett build include Dream Maker, Staff of Flowing Water, and Echoes of Helia. When Sona included at least these three pieces in her build, she did a lot better countering Sett than with many other commonly used builds. In fact, Sona boasted an average win rate of 49.7% when countering Sett with this build.
To have the highest likelihood of annihilating Sett as Sona, Sona players should take the Summon Aery, Manaflow Band, Transcendence, Gathering Storm, Conditioning, and Revitalize runes from the Sorcery and Resolve rune sets. Out of all the rune builds players chose for Sona vs Sett face-offs, this blending of runes yielded the greatest win rate. In fact, these runes averaged a 49.7% win rate overall.
By default, tips, stats, and builds on how to beat Sett as Sona are given for all ranked divisions combined. To filter the stats and builds to an individual division, you should use the selection menu earlier in the counter matchup guide.