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.
Killing Tentacles whenever possible will make it much easier to win a fight against Illaoi.
When your spirit gets pulled out, fight back if you can. Dealing damage to Illaoi reduces the spirit's duration.
Avoid grouping up for Leap of Faith to reduce the number of Tentacles available to Illaoi.
The stat comparisons shown on this page underscore some strategic Sona vs. Illaoi counter stats that may help you understand the differences between this set of champions. For instance, Sona’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Illaoi’s KDA ratio of NaN, showing that Sona may be more central to her team's team fighting capability than Illaoi. This observation is largely fueled by the differences in assists.
Sona typically has a slightly smaller longest killing spree than her counter does. On average, she takes less damage than Illaoi. This commonly reflects different amounts of tankyness, but it can also imply that the one champ has less mobility and thus is unable to escape additional harm when engaged or poked.
Both League of Legends champs are great champions. Both champs have their pros and cons. In the game's current meta, Sona usually fairs equally well when trying to fight Illaoi, with a 49.2% win rate. Thus, Sona makes an ok counter for Illaoi.
While Sona does have a lower win rate compared to Illaoi, when facing one another, Sona also has a greater difficulty level that makes her a more challenging champion to pick up and master. You still need to be cautious when picking Sona into Illaoi.
Furthermore, Sona also has a great deal of utility and CC, a similar amount to Illaoi. This often makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there is not one best champion overall in League of Legends, in Sona vs Illaoi matchups, Illaoi is the better champion with a similar win rate, similar champion depth, and a similar amount of utility to help out your teammates during teamfights.
Sona is a somewhat poor counter to Illaoi. Focus your gameplay on increasing your CS and taking out objectives. If you do that, you should be able to stand on your own as Sona against Illaoi.
To truly master Sona to counter Illaoi during both the lane and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you pay attention to the build and stats presented above, you should increase your win rate by a lot and be closer to League of Legends pro players.
Sona typically gets a lot less CS as Illaoi. Champions who on average don't acquire much CS usualy don't need much CS to be valuable teammates, such as supports. They are capable of scaling well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often need many items to be effective. In either case, try to do better than the numbers shown here to do well.
The ideal items to focus on in your Sona versus Illaoi build consist of Ardent Censer, Staff of Flowing Water, and Moonstone Renewer. When Sona combined at least these three items in her build, she performed a lot better vs Illaoi than with many other common builds. In fact, Sona had an average win rate of 49.2% when playing against Illaoi with this counter build.
To have the highest probability of vanquishing Illaoi 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. Of all the rune combinations players picked for Sona vs Illaoi counterpicks, this blending of runes yielded the best win rate. Moreover, these runes gave a 49.2% winrate overall.
By default, tips, stats, and builds on how to beat Illaoi as Sona are shown for all skill levels, merged. If you want to filter the statistics and builds to a particular division, you may use the selection menu located earlier in the counter matchup guide.