What does Northfold Manor reward?

No reward has been recorded for Northfold Manor yet.

Where does Northfold Manor start?

Captain Nials in Arathi Highlands offers it.

Its level has not been recorded yet; it shows once a player accepts it with the addon running.

No. The quest exists in Classic Era as well.

World of Warcraft: Forever · quest

A quest in World of Warcraft: Forever, offered by Captain Nials in Arathi Highlands. Recorded by 3 players running the addon.

Level, pay and objectives show once a player with the addon accepts the quest.

No reward item has been recorded for this quest. The offer window fills this in when a player with the addon opens it.

What does Northfold Manor reward?: No reward has been recorded for Northfold Manor yet.
Where does Northfold Manor start?: Captain Nials in Arathi Highlands offers it.
What level is Northfold Manor?: Its level has not been recorded yet; it shows once a player accepts it with the addon running.
Is Northfold Manor new in WoW Forever?: No. The quest exists in Classic Era as well.

Source: what players running the addon saw in the quest windows; the quest text itself stays in the game. Every quest seen · Arathi Highlands