Attirez vos ennemis quand vous utilisez Bombe nocive pour ne pas rater votre coup.
Utilisez Morsure fatale sur les cibles immobiles empoisonnées (comme les monstres et les unités étourdies par Regard de la Méduse) pour faire un maximum de dégâts.
Dévastation est très pratique pour éliminer rapidement les sbires et harceler les champions ennemis.
Demandez à vos alliés de vous signaler quand utiliser Requiem pour des effets optimisés sur plusieurs voies.
The Cassiopeia Karthus synergy stats shown here demonstrate the areas of her gameplay that do better (or worse) when paired with Karthus, 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 Karthus. His KDA went down from NaN to NaN. This fall shows that Karthus helps Cassiopeia perform not as well in competitive League rounds. Yet, the small difference shows that this performance change is only marginal.
When Cassiopeia plays on the same team as Karthus, she sees a small decrease in her full damage dealt. This change could demonstrate that Karthus does not provide protection for her to deal more damage or that his presence also helps extend the game's duration. Similarly, when Cassiopeia is played alongside Karthus on the same team, he usually scores many fewer killing sprees compared to when she plays on his own. This is contrasting evidence that she is worse when playing synergisticly with Karthus.
Additionally, when Cassiopeia plays with Karthus on the same side, she typically takes more damage than when she plays alone. Receiving more damage could mean that Karthus does a poor job of covering Cassiopeia in team fights.
There is no universally accepted best ally for Cassiopeia that will no matter what be her best synergy. Yet, Karthus is a very bad ally for Cassiopeia. By playing on the same side as Cassiopeia, he lowers their win rate by -3.2% to 47.1%. This demonstrates that there is an easy to overcome and exploit bond between Cassiopeia and Karthus that results in them performing worse together than alone.
Karthus has a much lower diffuclty than Cassiopeia. That means Cassiopeia players don't need to be very careful when enlisting Karthus allies to fight alongside, as they will have to have a much lower level of skill to work well with you.
Working on the same side, you should expect to see an overall large increase in your team’s capacity to deal magical damage. Together, these champs are able to dish out a surprising amount of magic type damage.
Conversely, by grouping Cassiopeia and Karthus together, you probably will not be providing your other teammates enough anti-tank damage dealing potential. Make sure to pick other champions on your team that nullifies this gap in this pairing's abilities.
Regardless of your Karthus ally's skill level, you should focus on increasing your gold income, staying alive by avoiding foolish fights, and clearing objectives. If you follow these simple suggestions, you should do well anyway.
If you would like to truly master Cassiopeia in order to work well with Karthus during both the early game and mid / late game phases of League, you should continue reading to learn additional lessons on this champion pairing. If you pay attention to the build and tips displayed here, you will increase your win rate significantly.
The ideal items to include in your Cassiopeia and Karthus synergy build consist of Étreinte du séraphin, Tourment de Liandry, and Bâton séculaire. When Cassiopeia bought at least these three finished items in her build, she did significantly better as an ally of Karthus than with most other typical item sets. In fact, Cassiopeia had an average winrate of 47.1% when synergizing her build and playstyle to Karthus with these items in her kit.
To have the best likelihood of coming out on top against your oponents, you should equip the Conquérant, Présence d'esprit, Légende : ténacité, Baroud d'honneur, Ruban de mana, and Transcendance runes from the Précision and Sorcellerie rune sets. Of all the rune builds players used for this team composition, this combination of runes yielded the highest win rate. Notably, these runes gave a 47.1% winrate overall.
By default, tips, statistics, and builds on how to team up Karthus with Cassiopeia are given for all ranked divisions combined. If you want to scope the statistics and builds to an individual player tier, you can use the selection menu earlier on the page.