The Firelands will be a new outdoor raid instance in the upcoming expansion, World of Warcraft: Cataclysm.

The Crucible of Flame, Firelands Forgeworks and Firelands Hatchery are part of the Firelands, which are only accessible through Flamegates located within Mount Hyjal.

Finale of the hyjal quest line to push rag back into the firelands and end the invasion.