League of Legends Season 2 Act 2 DevUpdate Details Weekend-Limited 5v5 Ranked Queue, Mehem Changes, and New Champion Rock (Patch 26.13)

A new League of Legends DevUpdate for Season 2 Act 2 was released, covering a weekend-limited 5v5 ranked queue, the removal of Mayhem’s traits, and the introduction of the new champion Rock in patch 26.13.