Sudden Impact - League of Legends Rune

Sudden ImpactBuilds

Patch26.7
Matches949,984
TierAll Tiers
Last UpdatedApr 19, 2026
MethodologyData Methodology
Damaging basic attacks and abilities deal a bonus 20 - 80 True Damage based on level to enemy champions after using a dash, leap, blink, teleport, or when leaving stealth for 4s.

Cooldown: 10s

Discover the 27 champions that use Sudden Impact in their primary rune builds. The top performing builds include Graves (76.19% rune WR, +27.89% diff), Fizz (68.18% rune WR, +17.73% diff), Shaco (84.21% rune WR, +33.82% diff). The "Rune WR Diff" column shows how much better or worse the rune build performs compared to the champion's overall win rate - positive values indicate the rune synergizes well with that champion.

Rank
Champion
Top Rune Build
Rune WR
Rune WR Diff
Rune PR
1
Dark HarvestSudden ImpactGrisly MementosTreasure HunterCoup de GraceLegend: Alacrity
76.19%+27.89%0.22%
2
ElectrocuteSudden ImpactGrisly MementosTreasure HunterTriumphCoup de Grace
68.18%+17.73%0.35%
3
Hail of BladesSudden ImpactGrisly MementosRelentless HunterMagical FootwearApproach Velocity
84.21%+33.82%0.31%
4
Hail of BladesSudden ImpactGrisly MementosTreasure HunterCash BackCosmic Insight
84.21%+31.37%0.24%
5
Dark HarvestSudden ImpactSixth SenseTreasure HunterMagical FootwearCosmic Insight
65.12%+13.86%0.64%
6
Dark HarvestSudden ImpactGrisly MementosTreasure HunterTranscendenceWaterwalking
56.39%+8.13%5.84%
7
ElectrocuteSudden ImpactGrisly MementosRelentless HunterAxiom ArcanistAbsolute Focus
80.00%+31.27%0.82%
8
Dark HarvestSudden ImpactSixth SenseRelentless HunterTriumphCoup de Grace
81.25%+31.23%0.78%
9
ElectrocuteSudden ImpactGrisly MementosUltimate HunterManaflow BandTranscendence
87.50%+37.31%0.15%
10
ElectrocuteSudden ImpactSixth SenseUltimate HunterBone PlatingOvergrowth
77.78%+28.31%0.24%
11
Summon AeryAxiom ArcanistTranscendenceGathering StormSudden ImpactUltimate Hunter
60.53%+10.64%2.14%
12
ElectrocuteSudden ImpactGrisly MementosRelentless HunterTranscendenceManaflow Band
81.25%+31.35%0.19%
13
ElectrocuteSudden ImpactGrisly MementosRelentless HunterSecond WindUnflinching
73.33%+24.66%0.29%
14
First StrikeCash BackTriple TonicCosmic InsightSudden ImpactTreasure Hunter
72.22%+24.58%0.41%
15
Press the AttackTriumphLegend: AlacrityCoup de GraceSudden ImpactUltimate Hunter
71.43%+22.67%0.73%
16
Hail of BladesSudden ImpactSixth SenseTreasure HunterLegend: AlacrityLast Stand
70.59%+19.43%0.35%
17
Dark HarvestSudden ImpactGrisly MementosUltimate HunterMagical FootwearCosmic Insight
68.42%+19.03%0.59%
18
ElectrocuteSudden ImpactDeep WardTreasure HunterAbsolute FocusGathering Storm
68.18%+16.34%1.23%
19
ElectrocuteSudden ImpactGrisly MementosRelentless HunterScorchTranscendence
85.71%+34.25%0.59%
20
Dark HarvestSudden ImpactGrisly MementosTreasure HunterManaflow BandCelerity
66.67%+16.24%0.51%
21
Hail of BladesSudden ImpactSixth SenseRelentless HunterBone PlatingUnflinching
78.95%+30.47%0.36%
22
ElectrocuteSudden ImpactGrisly MementosUltimate HunterPresence of MindCut Down
66.67%+20.88%0.81%
23
ElectrocuteSudden ImpactGrisly MementosUltimate HunterScorchTranscendence
69.57%+21.92%0.37%
24
Press the AttackTriumphLegend: HasteCoup de GraceSudden ImpactUltimate Hunter
76.47%+26.93%0.23%
25
ConquerorTriumphLegend: AlacrityCoup de GraceUltimate HunterSudden Impact
68.42%+18.10%0.40%
26
First StrikeCash BackTriple TonicCosmic InsightSudden ImpactTreasure Hunter
76.47%+26.90%0.30%
27
ConquerorTriumphLegend: AlacrityCoup de GraceSudden ImpactRelentless Hunter
75.00%+25.18%1.44%

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Sudden Impact Builds - Frequently Asked Questions

What are the best Sudden Impact builds in Patch 26.7?

The highest win rate Sudden Impact builds are Graves (76.19% WR), Fizz (68.18% WR), Shaco (84.21% WR). These builds have been tested across 27 champions in ranked play.

How do I build Sudden Impact on my champion?

Sudden Impact is typically used as part of a Domination build. The most successful Sudden Impact builds pair it with Grisly Mementos, Electrocute, Treasure Hunter. Check the builds table above to find the optimal rune page for your specific champion.

How many champions can use Sudden Impact effectively?

Currently, 27 champions use Sudden Impact in their optimal builds. The rune is most popular among Assassin champions (48% of users).Briar achieves the highest win rate at 52.84%.

What is the average win rate for Sudden Impact builds?

Sudden Impact builds average a 49.23% win rate across all champions. Top performers like Graves and Fizz exceed this with win rates of 76.19% and 68.18% respectively.