It's clean enough to start Beta. Details
here.The quest will remain in your Journal, as it needs another stage to start the as-yet-non-existant quest for recruiting the other Forsworn beyond Drusilla. I'm looking for a way to let you use your own followers, or have Madanach send some when you complete Radiant quests for him. It may just be the latter, as it's easier to give them packages for living at the new Redoubt.