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Shrink Engine

Last updated Version 111678 sources

Shrink Engine

Shrink Engine is a gold augment in League of Legends Arena.

Overview

Scoring a champion takedown generates a stack, stacking infinitely. For each stack, gain ability haste and bonus movement speed, and reduce your size by 4%. Lose a proportion of stacks on death. Size reduction is capped at 80% (20 stacks).2

Per level3

LevelEffect
18 ability haste.1% bonus movement speed.Lose 25% of stacks on death.
210 ability haste.1.5% bonus movement speed.No stacks will be lost anymore.

ArenaSweats stats

2026 Season 3 Act 2, all regions
BArenaSweats tierB tier
Pick %
1.14%
Games
365,698
Champions
173

Best champions with it

Full stats on ArenaSweats PagesFrom ranked Arena games tracked by ArenaSweats, updated .

Tips

No verified information yet.

Interactions

No verified information yet.

Bugs

  • Shrink Engine at level 2 still loses stacks on death.4

History

Since patch 26.11, stacks lost on death changed from 50% / 0% to 25% / 0%, haste per stack changed from 8 to 8 / 10, and movement speed per stack changed from 10% to 1% / 1.5%.5

Riot patch notes that name Shrink Engine, newest first
PatchDateChanges
26.11
  • Stacks lost on death: 50% / 0% ⇒ 25% / 0%
  • Haste per stack: 8 ⇒ 8 / 10
  • Movement Speed per stack: 10% ⇒ 1% / 1.5%5

Earlier formats

Shrink Engine could build up many stacks as long as the champion was not a noob.6 8x2 duos

The size reduction made the champion look very small.7 8x2 duos

  • Upgrading Shrink Engine was used to secure stacks.8 8x2 duos

Sources

8 cited
  1. 1

    League WikiLeague of Legends Wiki, Module:ArenaAugmentData/data, revision 4070515

    Quote
    Tier: Gold
  2. 2

    League WikiLeague of Legends Wiki, Module:ArenaAugmentData/data, revision 4070515

    Quote
    Description: Scoring a champion takedown generates a stack, stacking infinitely. For each stack, gain ability haste and bonus movement speed, and reduce your size by 4%. Lose a proportion of stacks on death. Size reduction is capped at 80% (20 stacks).
  3. 3

    League WikiLeague of Legends Wiki, Module:ArenaAugmentData/data, revision 4070515

    Quote
    Per level: Level 1: 8 ability haste.1% bonus movement speed.Lose 25% of stacks on death. Level 2: 10 ability haste.1.5% bonus movement speed.No stacks will be lost anymore.
  4. 4

    PlayersPosted Single source

  5. 5

    RiotRiot patch notes: League of Legends Patch 26.11 Notes > Arena > Augments

    Posted

    Quote
    Shrink Engine Stacks lost on death: 50% / 0% ⇒ 25% / 0% Haste per stack: 8 ⇒ 8 / 10 Movement Speed per stack: 10% ⇒ 1% / 1.5%
  6. 6

    PlayersPosted Credible source

  7. 7

    PlayersPosted Credible source

  8. 8

    PlayersPosted Credible source

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