What does Mazzranache reward?

Mazzranache gives a choice of Cliff Runner Boots, Plains Hunter Wristguards, 700 experience.

What level is Mazzranache?

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 in Mulgore and turned in to Maur Raincaller. 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
Cliff Runner Boots	as a choice	10	64c
Plains Hunter Wristguards	as a choice	10	35c

What does Mazzranache reward?: Mazzranache gives a choice of Cliff Runner Boots, Plains Hunter Wristguards, 700 experience.
Where does Mazzranache start?: It was picked up in Mulgore.
What level is Mazzranache?: Its level has not been recorded yet; it shows once a player accepts it with the addon running.
Is Mazzranache 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 · Mulgore