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.
Karthus can cast spells for a short duration after he is killed. Move away from his corpse to be safe.
Make sure you always have enough health to survive Requiem, even if you have to go back to the base more frequently to heal.
The stats provided here underscore some strategic Rammus versus Karthus matchup stats that may help you distinguish the differences and similarities between the two. As an example, Rammus’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s KDA ratio of NaN, indicating that Rammus may be more central to his team's team fighting capability than Karthus..
Rammus normally has a significantly smaller longest kill spree than his counter does. Commonly, he takes more damage than Karthus. This is usually reflective of differing health capacities, yet it can also imply that the one champ has less agility and thus is not able to escape further harm when poked or engaged.
Both LoL champs are great. Both have their strengths, weaknesses, and counters. In League's current meta, Rammus usually loses when trying to fight Karthus, with a 46.7% win rate. Therefore, Rammus makes a poor counter to Karthus.
While Rammus does have a lower win rate than Karthus, when on opposite teams, Rammus also has a lower learning curve that makes him a less time consuming champion to learn. You should be very concerned when picking Rammus into Karthus.
Additionally, Rammus also has a very large amount of CC and other utility, a similar amount to Karthus. This often makes her just as valuable during teamfights, especially when trying to counter champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Rammus vs Karthus matchups, Karthus is the better champ with a much lower win rate, less champion complexity, and a similar amount of utility to help out your allies during teamfights.
Rammus is a garbage counter for Karthus. You will do well by focussing your actions on increasing your CS and destroying objectives. If you do that, you should do very well as Rammus against Karthus.
To truly master Rammus to counter Karthus during both the laning and mid / late game phases of League of Legends, you should continue reading to learn a few extra tips and tricks for this matchup. If you listen to the build and suggestions shown here, you will increase your win rate significantly and be that much closer to League of Legends pro players.
Rammus usually picks up less CS compared to Karthus. Champions who on average don't take many minion kills typically don't have to have much CS to be effective, such as sup champs. They are able to scale properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, typically require a lot of items to be effective. In either situation, try to do better than the values displayed here to do well.
The most crucial items to have in your Rammus versus Karthus build include Jak'Sho, The Protean, Thornmail, and Force of Nature. When Rammus included at least these three items in his build, he performed significantly better against Karthus than with many other commonly used item sets. In fact, Rammus had an average winrate of 46.7% battling Karthus with these items in his kit.
To have the highest probability of beating Karthus as Rammus, you should use the Aftershock, Font of Life, Conditioning, Unflinching, Triumph, and Legend: Alacrity runes from the Resolve and Precision rune sets. Out of all the rune combinations players chose for Rammus vs Karthus fights, this order of runes yielded the highest win rate. Moreover, these runes averaged a 46.7% winrate overall.
If you need to get Rammus vs Karthus tips and builds for a a specific player tier, please select one from the selection menu provided above. At first, the stats and strategies shown are computed using every match completed with both champions.