Delaying the activation of Undying Rage is a very effective way to make an enemy champion over-commit to trying to kill you.
If the enemy is stacking Armor, try building items like Last Whisper or Youmuu's Ghostblade.
Bloodlust is an excellent way to heal Tryndamere. Try not to let it fade off before you activate it.
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 stat comparisons shown on this page emphasize several valuable Tryndamere vs. Karthus matchup statistics that may help us interpret the distinctions between the pair. As an example, Tryndamere’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s KDA ratio of NaN, highlighting that Tryndamere may be more central to his team's team fighting effectiveness than Karthus..
Tryndamere often has a similar longest kill spree as his opponent does. On average, he receives more damage than Karthus. This often reflects different amounts of tankyness; however, it can also indicate that the one champion has less agility and thus is not able to escape further harm when engaged or poked.
Both LoL champions are great. Both champs have their pros and cons. In the game's current meta, Tryndamere usually wins when facing off against Karthus, with a 53.5% win rate. As a result, Tryndamere makes a great counter for Karthus.
While Tryndamere does have a higher win rate compared to Karthus, when facing one another, Tryndamere also has a lower learning curve that makes him a less challenging character to learn. You should be be fine when picking Tryndamere into Karthus.
Furthermore, Tryndamere has only a small amount of utility and CC, a similar amount to Karthus. This makes her just as valuable during teamfights, especially when facing champions with a ton of burst damage.
While there is not a single best champion for every situation in League of Legends, in Tryndamere vs Karthus matchups, Tryndamere is the better champion with a noticably higher win rate, less champion complexity, and a similar amount of utility to help out your team members during late stage team fights.
Tryndamere is a great counter for Karthus. Make sure you focus your actions on increasing your CS and clearing objectives. If you are able to do that, you should do very well as Tryndamere against Karthus.
If you would like to truly master Tryndamere in order to counter Karthus during both the early game and mid / late game phases of League of Legends, you should continue reading to gather a few extra lessons on this matchup. If you listen to the build and stats presented above, you will increase your win rate by a lot and be that much closer to League of Legends pro players.
Tryndamere most often accumulates more CS relative to Karthus. Champions who typically don't take much CS usualy don't need much CS to be effective, such as support champions. These kinds of champions are able to scale properly off of their skills, stats, and first items alone. Yet, champs with a lot of CS, such as hyper-carries, usually have to have many items to be effective. In either situation, try to do better than the numbers displayed here to do well.
The ideal items to use in your Tryndamere versus Karthus build consist of Wit's End, Blade of The Ruined King, and Kraken Slayer. When Tryndamere used at least these three items in his build, he performed much better countering Karthus than with most other common item sets. In fact, Tryndamere boasted an average winrate of 53.5% battling Karthus with this counter build.
To have the highest chance of coming out on top against Karthus as Tryndamere, Tryndamere players should equip the Lethal Tempo, Triumph, Legend: Alacrity, Last Stand, Second Wind, and Unflinching runes from the Precision and Resolve rune sets. Out of all the rune combinations that we analyzed for Tryndamere vs Karthus counterpicks, this blending of runes yielded the greatest win rate. Moreover, these runes provided a 53.5% winrate overall.
If you want to view Tryndamere versus Karthus tips and counter builds for a a distinct rank, feel free to choose one from the selection menu provided above. If viewing for the first time, the statistics and strategies given are computed using all rounds played with both champs.