Sudden Impact rune icon - League of Legends
Win Rate
48.9%
Pick Rate
16.7%

Sudden Impact Rune Effect & Numbers

Sudden Impact D TierDominationRow 1
Patch
26.20
Games with rune
166,785
Lane
All Lanes
Tier
All Tiers
Last Updated
Oct 19, 2026 UTC
Methodology
Data 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
Rune tree
Domination · Row 1
Cooldown
10s
Win Rate
48.9%−0.3 vs row avg
Pick Rate
16.7%
Best champion
Briar · 53.0%
Most played by
Kayn

How Sudden Impact works

Domination · Row 1

Sudden Impact adds 20–80 true damage (by level) to your hits for 4s after a dash, leap, blink, teleport or leaving stealth; 10s cooldown.

  • Both basic attacks and abilities can deliver the bonus, as long as they land within 4 seconds of the movement or stealth exit.
  • Flash and other blink-type summoner spells count as a blink, so even immobile champions can trigger it after flashing in.
  • Best on assassins and skirmishers with dashes or stealth in their kit, where it procs at the start of nearly every trade.

Same row in Domination:Cheap ShotTaste of Blood

More Domination runes:ElectrocuteDark HarvestHail of BladesSixth SenseGrisly MementosDeep WardTreasure HunterRelentless HunterUltimate Hunter

Sudden Impact numbers by level

Patch 26.20

Base values of Sudden Impact at champion levels 1, 5, 9, 13 and 18. AP, AD and health scaling is listed in the last column.

ValueLv 1Lv 5Lv 9Lv 13Lv 18Scaling
True damage2034.148.262.480—
Cooldown10s10s10s10s10s—

Values between level 1 and level 18 are interpolated linearly from the tooltip's range.

Sudden Impact calculator

Set your level and stats to see exactly what Sudden Impact gives you.

Your champion

9
True damage48.2
Cooldown10s

Level-scaled values are interpolated linearly between the level 1 and level 18 values.

Is Sudden Impact good in Patch 26.20?

Patch 26.20

Sudden Impact is underperforming this patch at 48.9% over 166,785 games; most champions have a better option in the same row. That is 0.3 points below the average of its row (49.1%).

Tier
D
Win Rate
48.9%vs row −0.3
Pick Rate
16.7%
Games with rune
166,785Large sample

Best lanes for Sudden Impact

All ranks

Sudden Impact is played mostly in Jungle (46% of games). It wins most in Mid at 49.2%.

LaneWin RatePick RateShareGames
Jungle48.8%38.7%46%77,347
Mid49.2%29.5%35%58,879
Top48.8%5.9%7%11,736
Support48.0%4.8%6%9,550
ADC48.6%4.6%6%9,180

Best champions for Sudden Impact

All ranks

Briar leads with a 53.0% win rate with Sudden Impact; 93 champions take it this patch.

Sudden Impact win rate by game length

Sudden Impact is strongest early: 50.0% in games of 25 minutes or less vs 49.2% after 35.

Runes paired with Sudden Impact

On the best rune pages that include Sudden Impact, Grisly Mementos shows up most (59% of pages).

Who takes Sudden Impact

Assassin champions account for 44% of Sudden Impact games.

Assassin: 44%Fighter: 36%Marksman: 9%Mage: 7%Tank: 2%Support: 2%
  • Assassin · 44%
  • Fighter · 36%
  • Marksman · 9%
  • Mage · 7%
  • Tank · 2%
  • Support · 2%
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Sudden Impact FAQ – Patch 26.20

What does Sudden Impact do in League of Legends?

Sudden Impact adds 20–80 true damage (by level) to your hits for 4s after a dash, leap, blink, teleport or leaving stealth; 10s cooldown. It is in the Domination tree (Row 1).

What are Sudden Impact's numbers and cooldown?

Sudden Impact: 20–80 true damage. Cooldown: 10s.

Is Sudden Impact good in Patch 26.20?

Not this patch: a 48.87% win rate over 166,785 games in Patch 26.20 trails the usual alternatives. It is D tier on the rune tier list. That is 0.3 points below its row's average of 49.1%.

Which champions should take Sudden Impact?

By win rate with the rune: Briar (Jungle), Tryndamere (Mid), Quinn (Top). Briar leads at 53.0% over 5,297 games. Most played with it: Kayn (Jungle), Fizz (Mid), Akali (Mid). Assassin champions make up 44% of its games.

Sudden Impact vs Cheap Shot: which is better?

On the same champions, Cheap Shot wins 0.4 points more often than Sudden Impact (across 59 champion-lane pairs). Across all games: Sudden Impact 48.9%, Cheap Shot 49.7%.

Is Sudden Impact better early or late?

Early: Sudden Impact wins 50.0% of games that end by 25 minutes but 49.2% of games past 35.