Twin Mask: LoL Arena Item | ArenaSweats Wiki

Twin Mask is an arena item in League of Legends Arena.

Overview

Unanimity (unique): Gain 20% of your teammate's attack damage, ability power, total attack speed, maximum health, armor, magic resistance, and ability haste, increased to 35% if they also have Twin Mask and are alive.²

2026 Season 3 Act 2, all regions

ArenaSweats has no ranked Arena games with Twin Mask this season.

No verified information yet.

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Riot patch notes that name Twin Mask, newest first

Patch	Date	Changes
26.9	28 Apr 2026	Removed⁴
25.248x2 duos	2 Dec 2025	Solo Stats: 15% ⇒ 20% Double Stats: 30% ⇒ 35%⁵

In patch 14.15, Twin Mask granted a percentage of its teammate’s health, armor, magic resistance, attack damage, ability power, attack speed and ability haste; the percentage doubled if the teammate also had Twin Mask and was alive.⁶ 8x2 duos

Twin Mask ignored Pyke’s passive.⁷ 8x2 duos

Twin Mask had buggy interactions with infinite scaling: after Twin Mask was acquired, the teammate had less ability power than before, and the holder had less ability power than before acquiring it.⁸ 8x2 duos
Twin Mask converted stats from Escapade and Adapt incorrectly.⁹¹⁰ 8x2 duos

Twin Mask could be really good when the holder had enough ability haste.¹¹ 8x2 duos

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