Alas, even an impregnable fortress like Icecrown Citadel began with but a single stone. So begins our search for the stone to start a revolution.
You will be able to choose one of these rewards:
Are you lost?
Heartwood by nature is resistant to disease, rot and plague. This heartwood, goes so far as to repel such things! The masonry, affected by the fallout of the Unbound Thicket, will work in much the same way.
Soon we will break ground.
Heartwood litters the ground everywhere in the thicket. The masonry is blue and is only in the areas in and around the ruins.
After completing the above steps, including side quests: