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.
Powerball can be used as an effective escape mechanism.
Tremors and Defensive Ball Curl can be used late in the game to obliterate towers. If you're bogged down in a team fight, it is often valuable to break off and attack the buildings.
Using taunt on a champion by your tower can cause the tower to attack your enemy.
The Karthus Rammus synergy stats shown here demonstrate the areas of his gameplay that do better (or worse) when paired with Rammus, 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 Rammus. His KDA worsened from NaN to NaN. This fall shows that Rammus helps Karthus perform not as well in competitive League of Legends matches. Yet, the small difference demonstrates that this performance change is not very impactful.
When Karthus plays on the same team as Rammus, he observes a clear improvement in his full damage output. This change could demonstrate that Rammus helps provide cover for him to deal more damage or that his presence on the team also helps increase the match's duration. Similarly, when Karthus is played with Rammus on the same side, he usually scores many fewer killing sprees compared to when he plays without Rammus. This is contrasting evidence that he is worse when playing alongside Rammus.
Moreover, when Karthus plays with Rammus on the same team, he on average takes much less damage than when he fights alone. Taking not as much damage may mean that Rammus does a decent job of protecting Karthus in team fights.
There is no perfect synergy for Karthus that will 100% of the time be his top teammate. However, Rammus is a fantastic teammate for Karthus. By locking into the same side as Karthus, he increases their win rate by 5.6% to 52.9%. This signals that there is a very real strategic relationship between Karthus and Rammus that results in them performing at the top of their game together than alone.
Rammus has a lower difficulty than Karthus. That means Karthus players don't need to be cautious when lining up Rammus comrades to go into battle on the same side as, as they will require a relatively low level of skill to cooperate well with you.
When playing cooperatively, you should witness an overall large increase in your team’s capability to deal magic damage. Together, these two are able to dish out a surprising amount of magic type damage.
In contrast, by pairing Karthus and Rammus together, you may not be granting your other allies a lot of AD. Plan to pick other champs on your team that offsets this gap in this pairing's playstyle.
Regardless of your Rammus ally's skill level, you need to focus on increasing your income, outlasting your enemies, and taking down objectives. If you do this, you should do well anyway.
If you would like to learn all of the intricacies of Karthus in order to work well with Rammus during both the lane and mid / late game phases of League matches, you should continue reading to learn some more tricks and insights into this champion pairing. If you listen to the build and tips presented here, you will increase your win rate by a lot.
The most important finished items to focus on in your Karthus and Rammus synergy build consist of Rabadon's Deathcap, Malignance, and Liandry's Torment. When Karthus combined at least these three pieces in his build, he performed much better as an ally of Rammus than with most other commonly used builds. In fact, Karthus boasted an average win rate of 52.9% when synergizing his build and playstyle to Rammus with these items in his kit.
To have the best probability of crushing your oponents, you 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 rune sets we have analyed for this champion pairing, this order of runes resulted in the top win rate. Notably, these runes gave a 52.9% winrate overall.
By default, tips, stats, and builds on how to synergize Rammus with Karthus are displayed for every ranked division. If you would like to narrow the stats and builds to a distinct rank, you may use the selection menu located above.