For the first time ever, Dungeon Defenders heroes can visit the lands of Etheria with the 'Quest for the Lost Eternia Shards' DLC series. The first part of the 'Lost Eternia Shards' opens access to the Mistymire Forest level plus adds a new PvP map, new challenge mission, more loot, and other content.
The PC version of Dungeon Defenders has been updated to version 7.13b, which introduces Nightmare Mode and increases the level cap to 74 along with several other changes. You can find the complete patch notes here.
PC players can pick up the Mistymire DLC pack now for $3.99 while Xbox 360 and PS3 owners can grab the new content starting December 20. PC users can also purchase all four 'Lost Eternia Shards' packs for $9.75 and unlock Nightmare Mode early. Access to the remaining content will be available when they are released.