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.
Tormented Shadow deals tons of damage to units missing large amounts of Health. When low on Health, be wary of Morgana's attempts to trap you within its reach.
Black Shield makes Morgana immune to disabling effects, but can be broken with magic damage.
Morgana often needs to land Dark Binding to setup her other attacks. Use your minions as shields against Dark Binding.
The stats provided here emphasize several vital Karthus against Morgana counter stats that may help us distinguish the differences and similarities between the pair. As an example, Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Morgana’s KDA ratio of NaN, demonstrating that Karthus may be more central to his team's team fighting capability than Morgana..
Karthus usually has a slightly larger longest killing spree than his counter does. Commonly, he takes more damage than Morgana. This is usually reflective of differing health capacities, yet it can also imply that the one champion has less mobility and thus is not able to flee from further harm when poked or engaged.
Both League of Legends champs are great champions. Both have their strengths, weaknesses, and counters. In the game's current meta, Karthus usually loses when playing against Morgana, with a 45.5% win rate. Thus, Karthus makes a poor counter to Morgana.
While Karthus does have a much lower win rate than Morgana, when on opposite teams, Karthus also has a much greater level of difficulty that makes him a more difficult champ to pick up and master. You should expect to face a difficult match when picking Karthus into Morganaas his relative depth means that you may not be able to reach his full potential without a significant amount of practice beforehand.
Additionally, Karthus also has some amount of CC and other utility, a similar amount to Morgana. This often makes her just as valuable during teamfights, especially when trying to counter champions with a lot of burst damage.
While there is not one best champion overall in League of Legends, in Karthus vs Morgana matchups, Morgana is the better champ with a much lower win rate, more champion depth, and a similar amount of utility to help out your allies during teamfights.
Karthus is a trash counter for Morgana. You will do well by focussing your play on keeping up your gold income and destroying objectives. If you can do that, you should be able to stand on your own as Karthus against Morgana.
To learn all of the intricacies of Karthus in order to counter Morgana during both the laning and mid / late game phases of League of Legends, you should continue reading to gather a few extra tricks and insights into this matchup. If you listen to the build and tips shown here, you will grow your win rate significantly and be closer to League of Legends pro players.
Karthus often accumulates more CS relative to Morgana. Champs who typically don't take much CS typically don't need much CS to be valuable teammates, such as supports. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, often need many items to be effective. In either case, try to exceed the values shown on this page to do well.
The top items to prioritize in your Karthus versus Morgana build consist of Rabadon's Deathcap, Malignance, and Luden's Companion. When Karthus included at least these three items in his build, he performed a lot better when fighting Morgana than with most other common builds. In fact, Karthus had an average win rate of 45.5% when countering Morgana with this build.
To have the highest chance of coming out on top against Morgana as Karthus, you should use the Dark Harvest, Cheap Shot, Eyeball Collection, Ultimate Hunter, Presence of Mind, and Last Stand runes from the Domination and Precision rune sets. Out of all the runes players used for Karthus vs Morgana fights, this mixture of runes yielded the best win rate. In fact, these runes averaged a 45.5% win rate overall.
If you need to see Karthus versus Morgana tips and matchup stats and build suggestions for a a specific player tier, please select one from the selection menu provided above. If viewing for the first time, the stats and build suggestions shown are computed using all matches completed with these champions.