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ArenaSweats WikiSilver Augment

Erosion

Last updated Version 126096 sources

Erosion

Erosion is a silver augment in League of Legends Arena.

Overview

Each instance of damage dealt to an enemy reduces their armor and magic resistance for 4 seconds, stacking up to 20 times.2

Per level3

LevelEffect
1Reduce armor and magic resistance by 1% per stack.Max armor and magic resistance reduction: 20%.
2Reduce armor and magic resistance by 2% per stack.Max armor and magic resistance reduction: 40%.Max-level effect: At 20 stacks, the target is slow by 30%.

ArenaSweats stats

2026 Season 3 Act 2, all regions
BArenaSweats tierB tier
Pick %
0.64%
Games
210,715
Champions
173

Best champions with it

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

Tips

Erosion is recommended because it makes damage go crazy.4

Interactions

No verified information yet.

Bugs

No verified information yet.

History

Earlier formats

Erosion works especially well with abilities cast three times a second.5 8x2 duos

Mel’s Rebuttal (W) no longer reduces enemy resistances to 0 when used with Erosion.6 8x2 duos

Sources

6 cited
  1. 1
  2. 2

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

    Quote
    Description: Each instance of damage dealt to an enemy reduces their armor and magic resistance for 4 seconds, stacking up to 20 times.
  3. 3

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

    Quote
    Per level: Level 1: Reduce armor and magic resistance by 1% per stack.Max armor and magic resistance reduction: 20%. Level 2: Reduce armor and magic resistance by 2% per stack.Max armor and magic resistance reduction: 40%.; Max-level effect: At 20 stacks, the target is slow by 30%.
  4. 4

    PlayersPosted Credible source

  5. 5

    PlayersPosted Credible source

  6. 6

    RiotRiot patch notes: Patch 25.16 Notes > Arena > Arena Bugfixes

    Posted 8x2 duos

    Quote
    Mel’s interaction with her Rebuttal (W) and Erosion augment no longer reduces enemy resistances to 0

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