Someone help me with the whole "check Stygean door before wining" thing

Nigrosity - Heavens Tear

Because I'm pretty sure regardless of whether door is open or closed you are going to have to run it unwined up to that door at least once........I suppose if you have Linus > Sty > Brig then you could end up screwed, but honestly I see no need to complete the BHIII immediately since you can save the quest.