Top augment choices for Gnar include Heavy Hitter (Silver), Twice Thrice (Gold), Dual Wield (Prismatic).
Overall
Dual Wield
Dual WieldWhen you Attack, fire a bolt that deals @AttackReduction*100@% damage and applies your {{ Item_Keyword_OnHit }} effects at @OnHitMod*100@% effectiveness. Gain @AttackSpeed*100@% total Attack Speed.
Tier: S+
Pick %: 18%
Fan the Hammer
Fan the HammerWhen you Attack, fire @AdditionalBolts@ bolts that each deal physical damage and applies your {{ Item_Keyword_OnHit }}.
Tier: S+
Pick %: 13%
Goliath
GoliathBecome large, gaining @HealthAmp*100@% Health and @AFAmp*100@% Adaptive Force.
Tier: S+
Pick %: 12%
Silver
Heavy Hitter
Heavy HitterYour Attacks deal additional physical damage equal to @HealthPercent*100@% of your max Health.
TyphoonYour Attacks fire a bolt at an additional target dealing reduced damage and applying {{ Item_Keyword_OnHit }} effects.
Tier: S+
Pick %: 5%
Gold
Twice Thrice
Twice ThriceEvery @ProcCadence@ attacks, your {{ Item_Keyword_OnHit }} effects trigger a second time.
Tier: S+
Pick %: 11%
Tank Engine
Tank EngineGain increased size and percent bonus Health per takedown.
Tier: S+
Pick %: 11%
Lightning Strikes
Lightning StrikesGain @TotalASValue*100@% total Attack Speed. At @Breakpoint1@ Attacks per second, deal additional magic damage {{ Item_Keyword_OnHit }}.
Tier: S+
Pick %: 11%
Prismatic
Dual Wield
Dual WieldWhen you Attack, fire a bolt that deals @AttackReduction*100@% damage and applies your {{ Item_Keyword_OnHit }} effects at @OnHitMod*100@% effectiveness. Gain @AttackSpeed*100@% total Attack Speed.
Tier: S+
Pick %: 18%
Fan the Hammer
Fan the HammerWhen you Attack, fire @AdditionalBolts@ bolts that each deal physical damage and applies your {{ Item_Keyword_OnHit }}.
Tier: S+
Pick %: 13%
Goliath
GoliathBecome large, gaining @HealthAmp*100@% Health and @AFAmp*100@% Adaptive Force.