What does Call of Earth reward?

Call of Earth gives Earth Totem outright.

Where does Call of Earth start?

It was picked up in Dun Morogh.

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 Dun Morogh. Recorded by 1 player running the addon.

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

Item	Given	Item level	Vendor sell
Earth Totem	outright	4

What does Call of Earth reward?: Call of Earth gives Earth Totem outright.
Where does Call of Earth start?: It was picked up in Dun Morogh.
What level is Call of Earth?: Its level has not been recorded yet; it shows once a player accepts it with the addon running.
Is Call of Earth 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 · Dun Morogh