User blog comment:Da Cuke 45/Clash Royale New Update Ideas - 9/7/16/@comment-26844381-20160708110853/@comment-29644190-20160903080536

I predict new arenas are released every two updates. Example: Update #1: builders workshop added Update #2: new cards Update #3: Frozen peak added This is my prediction. Supercell probably wouldn't like releasing so many arenas each update.