Lead your enemy when targeting with Noxious Blast to ensure the hit.
Use Twin Fang on poisoned stationary targets like monsters and units stunned by her Petrifying Gaze for maximum damage.
Spread out when you see Sona so she can't make your entire team dance.
Kill Sona first, as she will heal up her team if left alone for too long.
The stat comparisons shown on this page feature some vital Cassiopeia versus Sona matchup statistics that can help you figure out the differences between the two. As an example, Cassiopeia’s KDA ratio ([kills + assists] / deaths) of NaN is better than Sona’s ratio of NaN, highlighting that Cassiopeia may be more central to her team's team fighting effectiveness than Sona. This observation is in large part caused by the difference in kills.
Cassiopeia often has a much larger longest kill spree than her foe does. Typically, she receives more damage than Sona. This typically indicates differing health capacities, yet it can also hint that the one champ has less agility and thus is not able to flee from further harm when poked or engaged.
Both LoL champs are great. Both champs have their pros and cons. In the game's current meta, Cassiopeia usually loses when facing off against Sona, with a 48.5% win rate. Thus, Cassiopeia makes a poor counter to Sona.
While Cassiopeia does have a lower winrate than Sona, when facing one another, Cassiopeia also has a much greater difficulty level that makes her a more difficult champion to learn and master. You should be careful when picking Cassiopeia into Sonaas her relative depth means you may not be able to unleash her full potential without a significant amount of practice beforehand.
Moreover, Cassiopeia also has a good amount of utility and CC, a similar amount to Sona. This makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there is not one best champion in League of Legends, in Cassiopeia vs Sona matchups, Sona is the better champ with a lower win rate, more champion depth, and a similar amount of utility to help out your allied champions during teamfights.
Cassiopeia is a somewhat poor counter to Sona. Focus your actions on keeping up your gold income and taking out objectives. If you are able to do that, you should do very well as Cassiopeia against Sona.
To truly master Cassiopeia to counter Sona during both the laning and mid / late game phases of League of Legends, you should keep reading to pick up a few extra tricks and insights into this matchup. If you mind the build and stats presented here, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Cassiopeia often accumulates much more CS as Sona. Champs who typically don't acquire many minion kills often don't need much CS to be valuable teammates, such as sup champs. They are capable of scaling well off of their skills, stats, and first items alone. Yet, champs 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 on this page to do well.
The best items to use in your Cassiopeia versus Sona build include Seraph's Embrace, Rylai's Crystal Scepter, and Cosmic Drive. When Cassiopeia incorporated at least these three items in her build, she did much better against Sona than with many other commonly used counter builds. In fact, Cassiopeia had an average winrate of 48.5% when countering Sona with this counter build.
To have the best probability of coming out on top against Sona as Cassiopeia, Cassiopeia players should take the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Of all the runes players chose for Cassiopeia vs Sona fights, this mixture of runes yielded the best win rate. Moreover, these runes provided a 48.5% win rate overall.
If you want to get Cassiopeia versus Sona tips and counter stats for a a particular division rank, feel free to choose one from the selection menu provided above. If viewing for the first time, the stats and build suggestions shown are calculated using all rounds completed with these champions.