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.
Shield of Daybreak and Zenith Blade form a powerful offensive combo.
Lead the charge and mark your foes with Sunlight before your allies deal damage.
You can absorb a huge amount of damage using Eclipse, but you must stay near enemies to gain the bonus duration.
The Cassiopeia Leona synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Leona, compared to her overall stats. Significant differences are areas of focus that highlight how her gameplay changes when paired with this other champion.
Overall, Cassiopeia sees a large worsening in her KDA (ratio of kills and assists to deaths) when paired with Leona. His KDA went down from NaN to NaN. This drop shows that Leona helps Cassiopeia perform worse in ranked League games. Yet, the small difference demonstrates that this performance change is only marginal.
When Cassiopeia is an ally to Leona, she sees a little increase in her full damage dealt. This change could demonstrate that Leona provides protection for her to dish out more damage or that her support also helps increase the round's duration. Similarly, when Cassiopeia is played alongside Leona on the same side, he usually scores many fewer killing sprees than when she plays alone. This is contrasting evidence that she is worse when playing synergisticly with Leona.
Additionally, when Cassiopeia plays with Leona on the same side, she on average receives a little less damage than when she fights alone. Getting dealt not as much damage may mean that Leona does a decent job of protecting Cassiopeia in teamfights.
There is no perfect champion pairing for Cassiopeia that will 100% of the time be her #1 ally. Yet, overall, Leona is a pretty good ally for Cassiopeia. By locking into the same side as Cassiopeia, she raises their win rate by 1.6% to 51.9%. This demonstrates that there is pretty good bond between Cassiopeia and Leona that results in them performing stronger together than without each other.
Leona has a much lower diffuclty than Cassiopeia. That means you don't need to be cautious when lining up Leona comrades to go into battle on the same side as, as they will require a much lower level of skill to be able to do well with you.
Fighting cooperatively, Cassiopeia players will likely witness an overall large increase in your team’s capacity to buff allies and debuff enemies. When paired, these two should be able to manipulate the pace of team fights.
In contrast, by bringing Cassiopeia and Leona together, you will not be providing your team a great deal of AD. Plan to bring other champs on your team that offsets this relative gap in this pairing's playstyle.
Regardless of the ability of your Leona teammate, you need to focus on maximizing your income, outlasting your enemies, and clearing objectives. If you follow these simple suggestions, you should do well anyway.
To learn all of the intricacies of Cassiopeia to work well with Leona during both the lane and mid / late game phases of League, you should keep reading to pick up a few extra tips and tricks for this champion pairing. If you pay attention to the build and tips shown above, you should increase your win rate significantly.
The top finished items to include in your Cassiopeia and Leona synergy build include Seraph's Embrace, Rylai's Crystal Scepter, and Cosmic Drive. When Cassiopeia used at least these three pieces in her build, she performed much better as an ally of Leona than with many other typical builds. In fact, Cassiopeia boasted an average winrate of 51.9% when playing alongside Leona with this build.
To have the greatest probability of vanquishing your oponents, you should take the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Out of all the rune builds players used for this team composition, this combo of runes resulted in the top win rate. Notably, these runes gave a 51.9% winrate overall.
By default, tips, stats, and builds on how to synergize Leona with Cassiopeia are shown for all ranked divisions combined. If you would like to filter the stats and builds to a particular skill level, you can use the selection menu located earlier in the counter matchup guide.