Be a bird!
In the lane, try to position your soldiers between the enemy's minions and the enemy champion. This way you can use them both to last hit and to project threat onto your lane opponent.
Be careful about putting down both of the soldiers stored by Arise! Unless you're going all-in, always have a soldier in your back pocket if you need to escape over a wall or if you misposition your other soldier and need damage now.
Think of Emperor's Divide as a defensive ability first and foremost. Use it when the enemy engages on you or your allies. Remember that your team can walk through the soldiers summoned by Emperor's Divide and use this to your advantage when enemy melee champions engage on you.
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 on this page feature some valuable Azir versus Karthus matchup stats that can help you distinguish the distinctions between this set of champions. Azir’s KDA ratio ([kills + assists] / deaths) of NaN is better than Karthus’s KDA ratio of NaN, highlighting that Azir may be more central to his team's team fighting capability than Karthus..
Azir often has a similar longest killing spree as his counter does. Commonly, he receives less damage than Karthus. This is usually reflective of different amounts of tankyness, but it can also indicate that the one champion has less agility and thus is unable to flee from additional harm when poked or engaged.
Both LoL champions are great. Both champs have their strengths, weaknesses, and counters. In League's current meta, Azir usually wins when taking on Karthus, with a 53.6% win rate. As a result, Azir makes a great counter to Karthus.
While Azir does have a higher winrate compared to Karthus, when they face off with one another, Azir also has a greater level of difficulty that makes him a more challenging champion to pick up and master. You don't need to be too worried when picking Azir into Karthusas his relative depth means you may not be able to reach his full potential without a lot of practice beforehand.
Furthermore, Azir has some amount of utility and CC, a similar amount to Karthus. This makes her just as valuable during team fights, especially when trying to counter champions with a ton of burst damage.
While there is not a single best champion overall in League of Legends, in Azir vs Karthus matchups, Azir is the better champion with a noticably higher win rate, more champion depth, and a similar amount of utility to help out your team members during team fights.
Azir is a great counter for Karthus. Make sure you focus your play on increasing your gold income and clearing objectives. If you can do that, you should be able to stand on your own as Azir against Karthus.
To truly master Azir in order to counter Karthus during both the early game and mid / late game phases of League of Legends, you should continue reading to pick up a few extra tips and tricks for this matchup. If you mind the build and suggestions shown above, you will grow your win rate significantly and be that much closer to League of Legends pro players.
Azir typically gets more CS relative to Karthus. Champions who typically don't acquire much CS typically don't require much CS to be effective, such as sup champs. These kinds of champions are capable of scaling properly off of their abilities and first items alone. Yet, champs with a lot of CS, such as hyper-carries, typically need many items to be effective. In either situation, try to exceed the numbers reported on this page to do well.
The ideal items to prioritize in your Azir versus Karthus build include Rabadon's Deathcap, Nashor's Tooth, and Shadowflame. When Azir bought at least these three items in his build, he did a lot better versus Karthus than with most other common item sets. In fact, Azir boasted an average winrate of 53.6% battling Karthus with this counter build.
To have the greatest likelihood of crushing Karthus as Azir, Azir players should use the Fleet Footwork, Presence of Mind, Legend: Alacrity, Coup de Grace, Manaflow Band, and Scorch runes from the Precision and Sorcery rune sets. Of all the runes players picked for Azir vs Karthus fights, this sequence of runes yielded the highest win rate. Moreover, these runes averaged a 53.6% win rate overall.
By default, tips, statistics, and builds on how to beat Karthus as Azir are given for every ranked division. If you would like to narrow the statistics and builds to a distinct skill level, you can use the selection menu located above.