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League of Legends

Chain Reaction: change history

2 changes across 2 patches (Jul 28, 2026 to Aug 11, 2026), newest first. Nerf Radar tracks the 10 most recent official updates for League of Legends, back to May 27, 2026.
Buff 1Adjust 1
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  1. League of Legends Patch 26.16Adjust 1Official notes ↗
    Adjust
    ARAM: Mayhem Tier
    Chain Reaction moves from the Prismatic tier to the Gold tier.
    Prismatic→Gold
    Source line
    Tier: Prismatic → Gold
  2. League of Legends Patch 26.15Buff 1Official notes ↗
    Buff
    ARAM: Mayhem Ultimate Ability Damage Increase
    Chain Reaction now increases ultimate ability damage to 250%.
    Damage increased to 250% for ultimate abilities
    Source line
    NEW Ultimate Ability Damage Increase: Damage increased to 250% for ultimate abilities

Each step links to the full patch breakdown and to Riot Games's official notes. Changes listed under a general heading such as "Bug fixes" are not included here; search to find every mention.