WOWInsider.com is reporting that the next "World of Warcraft" expansion, titled "World of Warcraft: Wrath of the Lich King," is currently in closed alpha.

"WoW Insider has confirmed through anonymous sources that the next expansion, Wrath of the Lich King, is in closed alpha status, and that various players are being invited to check it out, under a strict NDA."

Expansion Description:

"The Lich King Arthas has set in motion events that could lead to the extinction of all life on Azeroth. With the armies of the undead and the necromantic power of the plague threatening to sweep across the land, only the mightiest heroes can oppose the Lich King's will and end his reign of terror for all time.

Blizzard Entertainment's latest expansion to World of Warcraft – Wrath of the Lich King – adds a host of epic content to the existing game world. Players will achieve soaring levels of power, explore a vast new continent, and battle other high-level heroes to determine the fate of Azeroth."