What are the quests that use blackreach?

[Sightless17]

I'm asking because I am repurposing blackreach with a mod of mine, and I need to have a warning concerning what quests you should complete before you install the mod.

[Miku]

obviously the main quest of skyrim base and dragonborn
also i know about a red nirnroot quest

others may know more

[FEZ. TF7]

i think there's a quest for the mages guild that takes you there also there's the one which can be found in blackreach return to your roots i think its called

[Juzifer]

5 according to wiki:

Elder Knowledge
Discerning the Transmundane
A Return To Your Roots
Seeking Disclosure (dg)
Scroll Scouting (dg)

http://elderscrolls.wikia.com/wiki/Blackreach

[Sam the beast]

yu travel through blackreach to get to more dwemer ruins and inside solve a puzzle to get an elderscroll (no dlc's needed) sorry for spolier lul

[Sightless17]

Thank you.