right now the arena is unknown
Chat with our AI personalities
After going to Knothole Glade for the siege quest the chief nominates you to the Arena and then you just follow the pointy things
There are 9 Fable games: . Fable Fable: Coin Golf Fable Heroes Fable 2 Fable 3 Fable 2 Pub Games Fable 4 Fable: The Journey Fable: The Lost Chapters
in tronec.org
Thing thing arena 3 does not have cheat codes. Though it can be hacked with Cheat Engine.
all you nee to do is do MOST of your skate 3 missions and after it dose all that stuff it wil tell you that you have unlocked the xgames arena this worked for me