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Matchup

Swain
Swain
18%
82%

vs

50.0%
Rengar
Rengar
78%
22%
Heavy AD damageHigh burstDive threat

Build vs Rengar

Build adapted to this matchup

Starting items

Doran's Ring
Health Potion
x2

Core build

Blackfire Torch
1Mage
Rylai's Crystal Scepter
2Mage tank
Liandry's Torment
3Mage tank

Standard

Boots of Swiftness
4vs Slow
Frozen Heart
5vs AD

Summoner spells

41229%
41429%

Anti AD

Plated Steelcaps
4vs AD
Frozen Heart
5vs AD
Zhonya's Hourglass
vs AD
Randuin's Omen
vs AD

Anti AP

Mercury's Treads
4vs CC
Spirit Visage
5vs AP

DPS

Riftmaker
Mage tank

Other options

Oblivion Orb
Jak'Sho, The Protean
vs Hybride
100.0% WR1 games
PrecisionPrecision
ConquerorConqueror
Presence of MindPresence of Mind
Legend: HasteLegend: Haste
Last StandLast Stand
ResolveResolve
ConditioningConditioning
OvergrowthOvergrowth
Adaptive ForceAdaptive ForceHealth Scaling

Power Spikes

Strength by game phase

Early (0-15)
Mid (15-30)
Late (30+)
SwainSwain
RengarRengar
Passive
Favorable
Favorable

Rengar's abilities

Passive, spells and ultimate

Unseen Predator (P)

While in Brush, Rengar leaps at his target with his basic attack.Rengar generates Ferocity whenever he casts an ability. At Max Ferocity, his next ability is empowered.Killing enemy champions awards trophies on Rengar's Bonetooth Necklace, granting bonus attack damage.

Cooldowns

Cooldowns by spell rank

LevelQWER
30.25s0.25s0.25s–
60.25s0.25s0.25s1m40
90.25s0.25s0.25s1m40
110.25s0.25s0.25s1m30
160.25s0.25s0.25s1m20
180.25s0.25s0.25s1m20

Playing against Rengar

How to counter and exploit weaknesses

1

The "!" above your head means Rengar is invisible and nearby — group up immediately.

2

Control wards and Sweeper reveal him in R — place them in teamfights to protect the carry.

3

Don't position near bushes in lane: he leaps for free from bushes.

4

Zhonya's or Guardian Angel are essential for carries — they survive the initial burst.

Source: op.gg + LTL Engine · Patch 16.9.1 · May 9, 2026