Now that your Dungeon’s been defended, prepare to venture outside into the realms of Etheria in The Quest for the Lost Eternia Shards! Journey above the clouds to Sky City and experience new missions, story cinematics, enemies, and more: This DLC pack contains: • “The Quest for the Lost Eternia Shards Part 4” Campaign Mission • “Crystalline Dimension" Campaign Mission • "Boss Rush" Challenge Mission • Goblin Copter Enemy • Boss: Goblin Battlecruiser • Boss: Old One Dungeon Defenders is a tower defense, action-RPG that sets you on an epic adventure to protect the Eternia Crystals! Create heroes from one of four classes to fight across a full campaign or horde of survival/challenge missions! Level your heroes, raise and trade pets, collect loot, forge equipment and more! Play with up to 4 friends via local and online multiplayer!