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.
Jayce is strong in the early game. If he gains the advantage, play defensively.
Jayce can attack in melee or at range. Pay attention to his stance and weapon color to know how he is going to attack.
If you see Jayce drop his Acceleration Gate, be careful, he is probably about to cast Shock Blast.
The stats shown on this page show some critical Karthus vs. Jayce counter statistics that can help you interpret the distinctions between these two champs. As an example, Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Jayce’s KDA ratio of NaN, indicating that Karthus may be more central to his team's team fighting effectiveness than Jayce..
Karthus usually has a similar longest killing spree as his matchup does. Commonly, he takes more damage than Jayce. This is usually reflective of differing health capacities; however, it can also show that the one champion has less agility and thus is not able to kite away from additional harm when engaged or poked.
Both League of Legends champs are great champions. Both have their pros and cons. In the game's current meta, Karthus usually wins when taking on Jayce, with a 51.6% win rate. Therefore, Karthus makes a good counter for Jayce.
While Karthus does have a higher win rate compared to Jayce, when they face off with one another, Karthus also has a greater level of difficulty that makes him a more complex champ to learn and master. You still need to be cautious when picking Karthus into Jayceas his relative depth means you may not be able to unleash his full potential without a lot of practice beforehand.
Moreover, Karthus also has some amount of utility and CC, a similar amount to Jayce. This often makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there is not one best champion overall in League of Legends, in Karthus vs Jayce matchups, Karthus is the better champ with a higher win rate, similar champion depth, and a similar amount of utility to help out your teammates during team fights.
Karthus is a decent counter for Jayce. Make sure you focus your gameplay on increasing your CS and clearing objectives. If you are able to do that, you should hold your own as Karthus against Jayce.
To learn all of the intricacies of Karthus in order to counter Jayce during both the lane and mid / late game phases of League of Legends, you should continue reading to learn a few extra lessons on this matchup. If you mind the build and tips shown here, you will grow your win rate by a lot and be that much closer to League of Legends pro players.
Karthus usually racks up less CS relative to Jayce. Champions who on average don't take many minion kills often don't need much CS to be valuable teammates, such as sup champs. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, often require a lot of items to be effective. In either case, try to surpass the numbers reported here to do well.
The top items to focus on in your Karthus versus Jayce build include Rabadon's Deathcap, Malignance, and Liandry's Torment. When Karthus combined at least these three items in his build, he did much better when facing Jayce than with many other common builds. In fact, Karthus boasted an average winrate of 51.6% when countering Jayce with these items in his kit.
To have the highest chance of annihilating Jayce as Karthus, Karthus players should take the First Strike, Magical Footwear, Future's Market, Cosmic Insight, Eyeball Collection, and Ultimate Hunter runes from the Inspiration and Domination rune sets. Out of all the rune combinations players used for Karthus vs Jayce counters, this blending of runes resulted in the greatest win rate. Moreover, these runes provided a 51.6% winrate overall.
If you would like to view Karthus x Jayce tips and counter stats for a a distinct division rank, please select one from the selection menu displayed above. If viewing for the first time, the statistics and strategies shown are computed using every game with data with both champions.