PlayDevil has reviewed Sacred 3
Here is a snippet:
"As you level up you get stronger, and new areas become available to you to challenge. Some of the optional challenges were some of the best gameplay Sacred 3 had to offer, with short, punchy missions proving much more fun than their bloated main-campaign counterparts. The reward turnover is much faster - and much more gratifying - in this arena based bloodbaths, and they allow you to really play around and experiment with your class."