Perfect World International: Sirens of War Launched and Screens

All-new Nation Wars PvP system calls all players to a server-wide battlefield
Perfect World Entertainment has announced that Sirens of War, the sixth expansion for its fantasy action MMORPG Perfect World International (PWI), is now live. Perfect World International: Sirens of War include across-the-board enhancements to skills, new quests, weapons, equipment, and much more. In addition, Nation Wars invites players to a brand new battlefield that will open up PvP servers to all high level players, not just factions, and challenge even the most brilliant lieutenants and generals in intense 20 vs. 20 skirmishes.
Eleven screenshots found their way in our gallery.