What does Field to Clear reward?

Field to Clear gives Taurajo Headband outright, 1,850 experience.

Where does Field to Clear start?

It was picked up in The Barrens.

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

Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

World of Warcraft: Forever · quest · new since Classic Era

A quest in World of Warcraft: Forever in The Barrens and turned in to Sulhasa. Recorded by 1 player running the addon.

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

Item	Given	Item level	Vendor sell
Taurajo Headband	outright	23	9s 99c

What does Field to Clear reward?: Field to Clear gives Taurajo Headband outright, 1,850 experience.
Where does Field to Clear start?: It was picked up in The Barrens.
What level is Field to Clear?: Its level has not been recorded yet; it shows once a player accepts it with the addon running.
Is Field to Clear new in WoW Forever?: Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

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