Patch 8 has gone live and is featuring a new look for the hill in Thermopylae. The progression speed got increased a bit by ~40% by reducing the uxp costs.
There still seem to be some issues with slightly too low rewards that are being looked into.

You find all the details here: http://us10.campaign-archive1.com/?u=0a6942bc15600bf94054c189d&id=cbc457ae29

This weekend you will get double the rewards each battle and 150 Gold for each first victory of the day.

https://twitter.com/totalwararena/status/614435604525285377

Right now they are having issues, thats why the servers are offline, but when they are up, here are the details how to migrate the account:

http://us10.campaign-archive2.com/?u=0a6942bc15600bf94054c189d&id=3a341e100c

Patch 6 is now released featuring:
Missle units balancing
Changes to charge
New unit orders and roman unit tree changes.

Check your mails for the detailed changes.

There will be a short arena maintenance. You will get matchmaking failed during that time.

http://forum.totalwararena.com/discussion/2861/matchmaking-going-offline-for-maintenance#latest