Riot Games has revealed the full content of Pandemonium Act 2, arriving in League of Legends with Patch 26.12 on June 10, 2026. The update brings a new skin line, a sweeping overhaul of ARAM: Mayhem, and the return of Ranked 5v5 for a limited time.
Sinful Shores and Broken Covenant MSI Skins
The Sinful Shores skin line expands with three new cosmetics: a Prestige skin for LeBlanc (earned through the Act 2 Battle Pass), plus Epic skins for Hwei and Brand. Alongside these, the Broken Covenant skin line makes a comeback with new looks for Aurora, Shen, and Jhin — the latter being this year's MSI revenue-share skin.
ARAM: Mayhem Gets a Major Rework
ARAM: Mayhem is receiving its biggest update yet in Patch 26.12. The existing trait-based augment system is being removed and replaced with champion ability augments — modifiers that directly enhance or transform specific skills. Over 50 new augments are being added to give players greater build freedom, while old augment sets are being retired. Riot's goal is to make every game feel distinct and push champion identity to the forefront.
Ranked 5s Return and Battle Pass
The popular Ranked 5s mode — limited to full five-player pre-made teams — is returning to Summoner's Rift for a limited window, giving organized squads a chance to compete together in a ranked environment. The Pandemonium Act 2 Battle Pass runs from June 10 to July 28, 2026, with Prestige Sinful Shores LeBlanc as its headline reward.
Act 2 of Pandemonium shapes up to be one of the most content-packed updates of 2026 — new skins, a revamped ARAM mode, and Ranked 5s all arriving at once.