What does Whuut's the Rush reward?

Whuut's the Rush gives a choice of Lesser Mana Potion, Healing Potion, 800 experience.

Where does Whuut's the Rush start?

Yelmak in Orgrimmar offers it, and Whuut takes it in.

The quest log lists it at level 15.

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

World of Warcraft: Forever · quest · level 15 · new since Classic Era

A level 15 quest in World of Warcraft: Forever, offered by Yelmak in Orgrimmar and turned in to Whuut. Recorded by 8 players running the addon.

Item	Given	Item level	Vendor sell
Lesser Mana Potion	as a choice	24	30c
Healing Potion	as a choice	22	75c

What does Whuut's the Rush reward?: Whuut's the Rush gives a choice of Lesser Mana Potion, Healing Potion, 800 experience.
Where does Whuut's the Rush start?: Yelmak in Orgrimmar offers it, and Whuut takes it in.
What level is Whuut's the Rush?: The quest log lists it at level 15.
Is Whuut's the Rush new in WoW Forever?: Yes. Its quest id is not in Classic Era, so it is part of what Forever adds.

What sells at this level, and what to keep from these rewards, is in the level 10 to 20 gold guide.

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