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.
After Hwei paints a Torment spell he is vulnerable to being rushed down.
Hwei needs to predict your positioning and take time to cast, catch him by surprise.
Hwei's lightning is deadly but slow; it deals more damage when you are alone or unable to move.
The stats shown on this page underscore some important Karthus versus Hwei counter statistics that may help us distinguish the distinctions between this pair of champions. As an example, Karthus’s KDA ratio ([kills + assists] / deaths) of NaN is greater than Hwei’s ratio of NaN, highlighting that Karthus may be more central to his team's team fighting capacity than Hwei..
Karthus typically has a similar longest killing spree as his enemy does. Commonly, he takes more damage than Hwei. This is usually reflective of differing health capacities, yet it can also indicate that the one champion has less agility and thus is unable to escape additional damage when poked or engaged.
Both League champs are great champions. Both have their pros and cons. In the game's current meta, Karthus usually wins when playing against Hwei, with a 51.7% win rate. Therefore, Karthus makes a good counter for Hwei.
While Karthus does have a higher win rate compared to Hwei, when on opposite teams, Karthus also has a lower level of difficulty that makes him a less challenging character to pick up and master. You should be careful when picking Karthus into Hweias his relative depth means 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 Hwei. This often makes her just as valuable during team fights, especially when facing champions with a ton of burst damage.
While there isn't one best champion in League of Legends, in Karthus vs Hwei matchups, Karthus is the better champion with a higher win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Karthus is a decent counter for Hwei. You will do well by focussing your gameplay on increasing your gold and cs and destroying objectives. If you can do that, you should do very well as Karthus against Hwei.
If you would like to truly master Karthus to counter Hwei during both the laning and mid / late game phases of League of Legends, you should continue reading to gather a few extra tips and tricks for this matchup. If you mind the build and stats displayed above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Karthus on average racks up less CS compared to Hwei. Champs who on average don't get much CS often don't have to have much CS to be valuable teammates, such as supports. These kinds of champions are able to scale well off of their skills, stats, and first items alone. Yet, champions with large amounts of CS, such as hyper-carries, usually need a lot of items to be effective. In either case, try to surpass the values shown here to do well.
The best items to focus on in your Karthus versus Hwei build include Rabadon's Deathcap, Void Staff, and Liandry's Torment. When Karthus bought at least these three items in his build, he did a lot better vs Hwei than with many other typical item sets. In fact, Karthus had an average win rate of 51.7% when countering Hwei with this build.
To have the greatest probability of annihilating Hwei 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 used for Karthus vs Hwei LoL games, this combo of runes yielded the best win rate. In fact, these runes averaged a 51.7% winrate overall.
By default, tips, statistics, and builds on how to beat Hwei as Karthus are shown for all skill levels, merged. If you would like to narrow the stats and builds to a particular skill level, you should use the selection menu located above.