I've done 5 nightmare dungeons have no quests and the option is grayed out. Anyone know what I should do?

As far as I’m aware you need to complete a tier 3 NM Dungeon before crafting is opened up.

Great all I can get to drop is level ones from the nightmares and trees

I seem to remember there is a level requirement and the quest will appear? I can't remember what the level is though.

Do tree of whispers. Get lvl 1. Do the sigil. Kill most if not all enimies. The sigil that drops should be lvl 2. Repeat till i get lvl 3. Once completed a lvl three you should get the quest.

I think you have to be level 53 too. I remember on my first playthrough doing a level 5 nm dungeon and it not being unlocked.

From what I found online it was level 52 and a lvl 3 SIG I finally got a level 2 after my 10th run through level ones. Then got a 3 at the end of the 2 and it unlocked annoying as hell