What does Sarkoth reward?

Sarkoth gives a choice of Soft Wool Vest, Battleworn Chain Leggings, 110 experience.

Where does Sarkoth start?

Hana'zua in Durotar offers it, and Gornek takes it in.

The quest log lists it at level 5.

No. The quest exists in Classic Era as well.

World of Warcraft: Forever · quest · level 5

A level 5 quest in World of Warcraft: Forever, offered by Hana'zua in Durotar and turned in to Gornek. Recorded by 1 player running the addon.

Objectives shows once a player with the addon accepts the quest.

Item	Given	Item level	Vendor sell
Soft Wool Vest	as a choice	5	9c
Battleworn Chain Leggings	as a choice	5	14c

What does Sarkoth reward?: Sarkoth gives a choice of Soft Wool Vest, Battleworn Chain Leggings, 110 experience.
Where does Sarkoth start?: Hana'zua in Durotar offers it, and Gornek takes it in.
What level is Sarkoth?: The quest log lists it at level 5.
Is Sarkoth 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 1 to 10 gold guide.

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