The first expansion for Perfect World International, entitled The Lost Empire, has been released. The expansion has already been applied to the free-to-play game in this week's patch, so all you need to do is log in to enjoy all of the new features and content.

The additions include new skills, Spiritual Cultivation levels, Battle Pets, zones, quests, monsters, weapons and equipment. There's even an epic quest chain that links the past to the present, amd there are now more than 25 new skills and abilities across all six classes.

For more information, visit the expansion page. It explains how you can explore the Perfect World 1,000 years in the past, including four new dungeons. It also contains some screenshots and a trailer.