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 shown here feature several significant Briar against Karthus matchup statistics that can help you figure out the distinctions between these two champs. For instance, Briar’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s ratio of NaN, indicating that Briar may be more central to their team's team fighting capacity than Karthus. This observation is largely caused by the difference in kills.
Briar typically has a slightly larger longest kill spree than their opponent does. Commonly, they receives more damage than Karthus. This is usually reflective of different amounts of tankyness, but it can also illustrate that the one champ has less agility and thus is not able to escape additional harm when poked or engaged.
Both LoL champs are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Briar usually wins when trying to fight Karthus, with a 55.1% win rate. As a result, Briar makes a fantastic counter for Karthus.
While Briar does have a much higher winrate compared to Karthus, when they face off with one another, Briar also has a much lower level of difficulty that makes them a less time consuming character to develop with. You should be be fine when picking Briar into Karthus.
Furthermore, Briar also has some amount of CC and other utility, a similar amount to Karthus. This often makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there isn't a single best champion overall in League of Legends, in Briar vs Karthus matchups, Briar is the better champ with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your team members during team fights.
Briar is a great counter for Karthus. Make sure you focus your play on maximizing your CS and clearing objectives. If you are able to do that, you should do very well as Briar against Karthus.
If you would like to learn all of the intricacies of Briar in order to counter Karthus 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 pay attention to the build and suggestions shown above, you should grow your win rate significantly and be closer to League of Legends pro players.
Briar often racks up less CS relative to Karthus. Champs who typically don't acquire many minion kills typically don't require much CS to be valuable teammates, such as support champions. These kinds of champions are capable of scaling well off of their abilities and first items alone. Yet, champions with a lot of CS, such as hyper-carries, often require many items to be effective. In either situation, try to surpass the values shown on this page to do well.
The most important items to prioritize in your Briar versus Karthus build include Guardian Angel, Lord Dominik's Regards, and Youmuu's Ghostblade. When Briar incorporated at least these three items in their build, they did a lot better vs. Karthus than with many other typical builds. In fact, Briar had an average win rate of 55.1% when playing against Karthus with this counter build.
To have the greatest probability of crushing Karthus as Briar, Briar players should use the Hail of Blades, Sudden Impact, Eyeball Collection, Treasure Hunter, Magical Footwear, and Cosmic Insight runes from the Domination and Inspiration rune sets. Out of all the rune sets players chose for Briar vs Karthus battles, this mix of runes yielded the best win rate. Notably, these runes averaged a 55.1% winrate overall.
If you want to view Briar vs Karthus tips and counter stats for a an individual skill level, feel free to choose one from the selection menu provided above. By default, the stats and strategies given are computed using all matches with data with these champs.