What does The Real Threat reward?

The Real Threat gives a choice of Mistspray Kilt, Sword of Hammerfall, Witchdoctor's Dress, 3,900 experience.

Where does The Real Threat start?

Korin Fel in Arathi Highlands offers it.

The quest log lists it at level 40.

No. The quest exists in Classic Era as well.

World of Warcraft: Forever · quest · level 40

A level 40 quest in World of Warcraft: Forever, offered by Korin Fel in Arathi Highlands. Recorded by 2 players running the addon.

Item	Given	Item level	Vendor sell
Mistspray Kilt	as a choice	41	54s 86c
Sword of Hammerfall	as a choice	41	1g 18s 93c
Witchdoctor's Dress	as a choice	41	46s 20c

What does The Real Threat reward?: The Real Threat gives a choice of Mistspray Kilt, Sword of Hammerfall, Witchdoctor's Dress, 3,900 experience.
Where does The Real Threat start?: Korin Fel in Arathi Highlands offers it.
What level is The Real Threat?: The quest log lists it at level 40.
Is The Real Threat new in WoW Forever?: No. The quest exists in Classic Era as well.

What sells at this level, and what to keep from these rewards, is in the level 30 to 40 gold guide.

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