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.
Volcanic Rupture can be used to set up zoning areas to threaten enemies.
Learning build paths of items can help quickly select upgrades in lane.
The order of your abilties matters! Try to optimize Brittle usage.
The Cassiopeia Ornn synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Ornn, 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 very large drop in her KDA (ratio of kills and assists to deaths) when paired with Ornn. His KDA decreased from NaN to NaN. This fall shows that Ornn helps Cassiopeia perform poorer in ranked League of Legends rounds. Yet, the small difference demonstrates that this performance change is only marginal.
When Cassiopeia is an ally to Ornn, she gets a little increase in her full damage output. This change could demonstrate that Ornn supports by providing protection for her to deal more damage or that his allyship also helps extend the match's duration. Similarly, when Cassiopeia is played together with Ornn on the same team, he usually scores many fewer killing sprees than when she plays on his own. This is contrasting evidence that she is worse when playing synergisticly with Ornn.
Moreover, when Cassiopeia plays with Ornn on the same side, she usually receives a little more damage than when she fights alone. Taking more damage could mean that Ornn does a poor job of covering Cassiopeia in team fights.
There is no perfect companion for Cassiopeia that will 100% of the time be her top teammate. However, overall, Ornn is a not very good teammate for Cassiopeia. By being on the same side as Cassiopeia, he decreases their win rate by -1.4% to 48.9%. This clearly indicates that there is a bad strategic relationship between Cassiopeia and Ornn that allows them to perform not as well together than without each other.
Ornn has a much lower diffuclty than Cassiopeia. That means Cassiopeia players don't need to be cautious when arranging Ornn comrades to play with, as they will have to have a much lower level of skill to play well with you.
Fighting on the same side, you should expect to witness an overall large increase in your team’s ability to deal magical damage. Combined, these champions can deal quite a lot of AP type damage.
In contrast, by pairing Cassiopeia and Ornn together, you may not be granting your other teammates very much attack damage. We recommend you have other champions on your team that helps cover this disparity in their capabilities.
Regardless of your Ornn ally's ability, you should focus on increasing your gold income, staying alive by avoiding foolish fights, and clearing objectives. If you do this, you will do well anyway.
If you would like to truly master Cassiopeia to synergize with Ornn during both the early game and mid / late game phases of League games, you should continue reading to pick up some more tips and tricks for this champion pairing. If you mind the build and tips displayed here, you will grow your win rate significantly.
The best finished items to get in your Cassiopeia and Ornn synergy build include Seraph's Embrace, Rylai's Crystal Scepter, and Cosmic Drive. When Cassiopeia combined at least these three pieces in her build, she performed significantly better when fighting alongside Ornn than with most other common item sets. In fact, Cassiopeia boasted an average win rate of 48.9% helping carry Ornn with this build.
To have the greatest chance of beating your oponents, Cassiopeia players should use the Conqueror, Presence of Mind, Legend: Tenacity, Last Stand, Manaflow Band, and Transcendence runes from the Precision and Sorcery rune sets. Of all the rune builds players used for Cassiopeia and Ornn pairings, this order of runes yielded the best win rate. In fact, these runes provided a 48.9% winrate overall.
By default, tips, stats, and builds on how to team up Ornn with Cassiopeia are displayed for every ranked division. If you want to filter the statistics and builds to a particular skill level, you can use the selection menu located earlier in the counter matchup guide.