Path of Exile: The Forbidden Sanctum Opens

Grinding Gear Games has launched the promised PC edition of Path of Exile: The Forbidden Sanctum, the latest installment for the free-to-play action/RPG. The console versions are due next week, and the official website is counting off the day until the launch. In addition to all the new content of an expansion, this also adds a new Ruthless mode, an optional way to play with "extreme item scarcity." The recent Official Trailer takes a look at what's new. This forum thread is being continuously updated with new information about the launch. Here's more:
In Path of Exile: The Forbidden Sanctum, you will test your resolve as you make your way through the Sanctum's dangerous halls. In the Sanctum, each decision you make can cost you greatly.

Our December expansion introduces the Sanctum challenge league and improvements to Path of Exile's endgame, alongside two new Skill Gems, seven new Vaal Skill Gems, over 15 new Unique Items, significant balance changes to jewels, hexes, monster modifiers, unique weapons and more. We are also proud to introduce Ruthless, an optional new way to play Path of Exile with extreme item scarcity.