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.
Lucian cannot change the aim of The Culling. Take advantage of this by avoiding the angle of the bullets.
Lucian has strong burst, but little sustained damage.
Piercing Light does not give Lucian extra Attack Range. He still needs to find a target in range to line up his shot. Avoid Piercing Light by anticipating the angle Lucian will choose.
The stats shown on this page underscore several important Karthus against Lucian counter statistics that may help us interpret the differences between this set of champs. As an example, Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is better than Lucian’s ratio of NaN, highlighting that Karthus may be more central to his team's team fighting capacity than Lucian..
Karthus often has a similar longest killing spree as his enemy does. On average, he takes more damage than Lucian. This typically indicates different amounts of tankyness, but it can also show that the champion with increased health has less agility and thus is not able to flee from additional harm when poked or engaged.
Both LoL champions are great champions. Both champs have their strengths, weaknesses, and counters. In the game's current meta, Karthus usually fairs equally well when facing off against Lucian, with a 49.3% win rate. Thus, Karthus makes an ok counter for Lucian.
While Karthus does have a lower winrate than Lucian, when on opposite teams, Karthus also has a greater level of difficulty that makes him a more difficult character to learn and master. You should be careful when picking Karthus into Lucianas his relative depth means that you may not be able to reach his full potential without a significant amount of practice beforehand.
Moreover, Karthus has some amount of utility and CC, a similar amount to Lucian. This makes her just as valuable during team fights, especially when facing champions with a lot of burst damage.
While there is not a single best champion for every situation in League of Legends, in Karthus vs Lucian matchups, Lucian is the better champion with a similar win rate, more champion depth, and a similar amount of utility to help out your team members during team fights.
Karthus is a somewhat poor counter for Lucian. You will do well by focussing your actions on keeping up your CS and destroying objectives. If you can do that, you should be able to stand on your own as Karthus against Lucian.
To truly master Karthus in order to counter Lucian during both the laning and mid / late game phases of League of Legends, you should continue reading to pick up a few extra lessons on this matchup. If you listen to the build and tips shown above, you will increase your win rate significantly and be closer to League of Legends pro players.
Karthus most often racks up less CS relative to Lucian. Champions who typically don't take much CS usualy don't have to have much CS to be valuable teammates, such as sup champs. These kinds of champions are capable of scaling properly off of their skills, stats, and first items alone. Yet, champs with large amounts of CS, such as hyper-carries, usually have to have several high cost items to be effective. In either situation, try to exceed the numbers reported on this page to do well.
The top items to have in your Karthus versus Lucian build consist of Rabadon's Deathcap, Shadowflame, and Liandry's Torment. When Karthus bought at least these three items in his build, he did a lot better vs. Lucian than with most other commonly used counter builds. In fact, Karthus boasted an average winrate of 49.3% when playing against Lucian with this counter build.
To have the greatest probability of vanquishing Lucian as Karthus, Karthus players should take 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 rune combinations players chose for Karthus vs Lucian matchups, this mixture of runes yielded the best win rate. Moreover, these runes averaged a 49.3% winrate overall.
By default, tips, statistics, and builds on how to beat Lucian as Karthus are shown for all ranked divisions. To filter the statistics and builds to a specific division, you should use the selection menu located earlier in the counter matchup guide.