Source: Ranked + player metaPatch: 16.17Window: patchRegion: allRank: emerald_plusQueue: ranked_soloSample: 49Updated 10/28/2026, 4:35:34 AM
Confidence: Medium-5.1% vs 50%49 games
Lane phases
AI heuristicLevels 1–2
Karthus edge
Karthus has stronger early trades — respect all-ins.
Levels 3–5
Karthus edge
Azir needs to play safe until item spikes.
Level 6+
Karthus edge
Ultimate timing often swings the next two waves.
Mid / late
Karthus edge
If Azir reaches items, teamfights can neutralize the lane loser.
Why?
AI heuristicHard
- Sample win rate for Azir is 44.9% in this matchup.
- Karthus statistically wins more often in the current Emerald+ sample.
Treat this as a Hard matchup for Azir into Karthus — prioritize cooldown windows and jungle tracking.
Do
- Give up early shove if Karthus can all-in you.
- Track summoner spells and ultimate cooldowns before committing.
- Play for wave states that let you crash and reset safely.
Don't
- Don't overstay for a plate when behind.
- Don't force extended trades when key abilities are down.
- Don't ignore jungle timers when the lane is volatile.
Matchup build callout
Full builds →Most-played Azir page (Mid): Press the Attack Build · 33.8% WR · 65 games
Skill order: W › Q › E
Patch: 16.17Region: naRank: emerald_plusQueue: ranked_soloSample: 108Updated 10/22/2026, 1:02:15 PM