Quote Originally Posted by Aurons Ghost
Yes you can go back, and yes you have to complete the trial, i think. Also, if you have the Dark Aeons in your version, Besaid and Macalania will have some pretty tough *understatement* bosses preventing entrance...
I missed the Macalainia treasure and had to beat Dark Shiva to get it. I find that trial is easly the hardest cause you make the bridge and then to get the treasure you must break like half of it