Lay Waste is very strong at farming minions and harassing enemy champions.
Ask your allies to help point out when you should use Requiem to get kills in different lanes.
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 Karthus Ornn synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Ornn, compared to his overall stats. Significant differences are areas of focus that highlight how his gameplay changes when paired with this other champion.
Overall, Karthus sees a very large drop in his KDA (ratio of kills and assists to deaths) when paired with Ornn. His KDA went down from NaN to NaN. This fall shows that Ornn helps Karthus perform poorer in competitive League of Legends games. Yet, the small difference indicates that this performance change is not very impactful.
When Karthus is an ally to Ornn, he sees a little increase in his total damage dealt. This could signal that Ornn supports by providing protection for him to deal more damage or that his presence also helps extend the game's duration. Similarly, when Karthus is played together with Ornn on the same team, he usually scores many fewer killing sprees compared to when he plays alone. This is contrasting evidence that he is worse when playing alongside Ornn.
Additionally, when Karthus plays with Ornn on the same side, he often takes more damage than when he fights alone. Getting dealt more damage could mean that Ornn does a poor job of protecting Karthus in team fights.
There is no top synergy for Karthus that will always be his ideal teammate. However, Ornn is a very typical ally for Karthus. By playing on the same team as Karthus, he raises their win rate by 0.7% to 48.0%. This signals that there is a weak bond between Karthus and Ornn that allows them to perform at the top of their game together than alone.
Ornn has a lower difficulty than Karthus. That means Karthus players don't need to be careful when finding Ornn teammates to fight alongside, as they will need a lower level of skill to work well with you.
When playing together, you will likely witness an overall large increase in your team’s ability to to do a lot of AP damage. Together, these champions are able to dish out a surprising amount of magic type damage.
Although, by pairing Karthus and Ornn together, you will not be granting your team much AD. Make sure to bring other champions on your team that nullifies this relative gap in their capabilities.
Regardless of the ability of your Ornn teammate, you should focus on maximizing your income, warding to avoid ambushes, and clearing objectives. If you do this, you should do well, regardless.
If you would like to truly master Karthus to pair well with Ornn during both the early game and mid / late game phases of LoL rounds, you should keep reading to gather some more lessons on this champion pairing. If you pay attention to the build and suggestions shown above, you will increase your win rate by a lot.
The ideal items to prioritize in your Karthus and Ornn synergy build consist of Sunfire Aegis, Rabadon's Deathcap, and Shadowflame. When Karthus included at least these three great items in his build, he did significantly better as an ally of Ornn than with most other typical builds. In fact, Karthus had an average win rate of 48.0% when synergizing his build and playstyle to Ornn with these items in his kit.
To have the best chance of beating your oponents, Karthus players should take the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Gathering Storm, and Transcendence runes from the Domination and Sorcery rune sets. Out of all the runes players used for this team composition, this composite of runes resulted in the highest win rate. Notably, these runes averaged a 48.0% winrate overall.
By default, tips, stats, and builds on how to team up Ornn with Karthus are given for all ranked divisions combined. To filter the stats and builds to an individual rank, you should use the selection menu located earlier on the page.