Source: Ranked + player metaPatch: 16.17Window: patchRegion: allRank: emerald_plusQueue: ranked_soloSample: 23Updated 10/28/2026, 4:36:39 AM
Confidence: Medium-2.2% vs 50%23 games
Lane phases
AI heuristicLevels 1–2
Vex edge
Vex has stronger early trades — respect all-ins.
Levels 3–5
Vex edge
Rengar needs to play safe until item spikes.
Level 6+
Vex edge
Ultimate timing often swings the next two waves.
Mid / late
Even
If Rengar reaches items, teamfights can neutralize the lane loser.
Why?
AI heuristicHard
- Sample win rate for Rengar is 47.8% in this matchup.
- Vex statistically wins more often in the current Emerald+ sample.
Treat this as a Hard matchup for Rengar into Vex — prioritize cooldown windows and jungle tracking.
Do
- Give up early shove if Vex 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 Rengar page (Jungle): Fleet Footwork Build · 55.4% WR · 168 games
Skill order: Q › E › W
Patch: 16.17Region: naRank: emerald_plusQueue: ranked_soloSample: 300Updated 10/22/2026, 1:02:15 PM