If you are heading into the arena to spend a lot of AP, like say two bottle o' berzios worth then here are a few quick tips for maximizing you time.
First of all is the recomended fights section. With this you can blaze through a lot of competition. However, you will on occasion run into someone who is much stronger than you and that fighting would not be a god idea. To deal with this happening you will have to start going through the lists.
To make this easier keep the url of the lists page copied that way you can re-paste it and go to you current list page.
EX:
http://legendsofzork.com/arena?direction=asc&page=8&show_list=1&sort=levelWhen you are done with that page just paste the link and change the page number then recopy the link.
EX1:
http://legendsofzork.com/arena?direction=asc&page=8&show_list=1&sort=level
EX2:
http://legendsofzork.com/arena?direction=asc&page=9&show_list=1&sort=level
Using this technique should shave some time off your arena fighting and make the game a little less of a chore.