25.S1.5

Patch 25.05 brings significant changes to the game, introducing the second act with a new Battle Pass and the return of Arena mode featuring a Noxian theme. This update focuses on professional play by implementing mechanics to discourage early lane swapping, alongside balance adjustments for several champions like Ambessa, K'Sante, and Cho'Gath. Furthermore, the patch overhauls the Hextech Chest system.