Source: Ranked + player metaPatch: 16.17Window: patchRegion: allRank: emerald_plusQueue: ranked_soloSample: 24Updated 9/11/2026, 8:20:16 PM
Confidence: Medium-4.2% vs 50%24 games
Lane phases
Levels 1–2
Jayce edge
Jayce has stronger early trades — respect all-ins.
Levels 3–5
Jayce edge
Illaoi needs to play safe until item spikes.
Level 6+
Jayce edge
Ultimate timing often swings the next two waves.
Mid / late
Even
If Illaoi reaches items, teamfights can neutralize the lane loser.
Why?
Sample-basedHard
- Sample win rate for Illaoi is 45.8% in this matchup.
- Jayce statistically wins more often in the current Emerald+ sample.
Treat this as a Hard matchup for Illaoi into Jayce — prioritize cooldown windows and jungle tracking.
Do
- Give up early shove if Jayce 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 Illaoi page (Top): Grasp of the Undying Build · 52.8% WR · 36 games
Skill order: Q › E › W
Patch: 16.17Region: naRank: emerald_plusQueue: ranked_soloSample: 51Updated 9/11/2026, 8:18:15 PM