ArenaSweats Wiki Arena Item

Serylda's Grudge

Last updated 5 Nov 2026Version 961812 sources

Serylda's Grudge is an arena item in League of Legends Arena.

Overview

Stats

Attack damage	45
Ability haste	15
Armor penetration	35²

Values as the League of Legends Wiki's item data lists them, for every mode; the data doesn't state their units.

Effects

Bitter Cold (unique): Dealing ability damage to an enemy that is at or below 50% of their maximum health slow them by 30% for 1 second.³

Slow Threshold changed to 60% in patch 26.17 (was 50%)⁴

Arena changes

Ability haste changed to 10.
Attack damage changed to 40.
Armor penetration changed to 40%.⁵

Armor Penetration changed to 45% in patch 26.17 (was 40%)⁴

Attack Damage changed to 50 in patch 26.12 (was 40)⁶

Ability Haste changed to 15 in patch 26.12 (was 10)⁶

ArenaSweats stats

2026 Season 3 Act 2, all regions

ArenaSweats has no ranked Arena games with Serylda's Grudge this season.

Tips

Serylda's Grudge can be a choice when you are over the crit cap.⁷
For an AD assassin build, Serylda's Grudge can go alongside Blade Waltz, Earthwake and Summoner Revolution, with a full lethality build.⁸

Interactions

Smolder can use Serylda's Grudge for a consistent slow against low-health targets.⁹

Bugs

No verified information yet.

History

Riot patch notes that name Serylda's Grudge, newest first

Patch	Date	Changes
26.17	25 Aug 2026	Slow Threshold: 50% ⇒ 60% Armor Penetration: 40% ⇒ 45%⁴
26.12	9 Jun 2026	Attack Damage: 40 ⇒ 50 Ability Haste: 10 ⇒ 15 Slow Amount: 30% ⇒ 50%⁶
25.148x2 duos	15 Jul 2025	Percent Armor Pen : 30% ⇒ 40%¹⁰

Earlier formats

Serylda's Grudge's armor penetration scaled with lethality.¹¹¹² 8x2 duos

Sources

12 cited

1

League WikiLeague of Legends Wiki, Module:ItemData/data, revision 4092074

Quote
Type: Legendary
2

League WikiLeague of Legends Wiki, Module:ItemData/data, revision 4092074

Quote
Stats (wiki item data keys, all modes): ad: 45 ah: 15 armpen: 35
3

League WikiLeague of Legends Wiki, Module:ItemData/data, revision 4092074

Quote
Effects (wiki item data): Bitter Cold (unique): Dealing ability damage to an enemy that is at or below 50% of their maximum health slow them by 30% for 1 second.
4

RiotRiot patch notes: League of Legends Patch 26.17 Notes > Arena > Items

Posted 25 Aug 2026

Quote
Serylda's Grudge Slow Threshold: 50% ⇒ 60% Armor Penetration: 40% ⇒ 45%
5

League WikiLeague of Legends Wiki, Module:MapChanges/data/ar, revision 4091873

Quote
Arena changes (wiki): Ability haste changed to 10. Attack damage changed to 40. Armor penetration changed to 40%.
6

RiotRiot patch notes: League of Legends Patch 26.12 Notes > Arena > Items

Posted 9 Jun 2026

Quote
Serylda's Grudge Attack Damage: 40 ⇒ 50 Ability Haste: 10 ⇒ 15 Slow Amount: 30% ⇒ 50%
7

PlayersPosted 1 Jun 2026Single source
8

PlayersPosted 26 Sep 2026Credible source
9

PlayersPosted 21 May 2026Single source
10

RiotRiot patch notes: Patch 25.14 Notes > Arena > Items (Arena)

Posted 15 Jul 20258x2 duos

Quote
Serylda's Grudge Percent Armor Pen : 30% ⇒ 40%
11

PlayersPosted 18 Jun 2024Credible source
12

PlayersPosted 14 Jun 2024Single source

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