What does Mortality Wanes reward?

Mortality Wanes gives a choice of Mourning Shawl, Lancer Boots.

Where does Mortality Wanes start?

It was picked up in Razorfen Kraul.

The quest log lists it at level 30.

No. The quest exists in Classic Era as well.

World of Warcraft: Forever · quest · level 30

A level 30 quest in World of Warcraft: Forever in Razorfen Kraul. Recorded by 1 player running the addon.

Giver and pay show once a player with the addon opens the quest.

Item	Given	Item level	Vendor sell
Mourning Shawl	as a choice	30	14s 11c
Lancer Boots	as a choice	30	16s 1c

What does Mortality Wanes reward?: Mortality Wanes gives a choice of Mourning Shawl, Lancer Boots.
Where does Mortality Wanes start?: It was picked up in Razorfen Kraul.
What level is Mortality Wanes?: The quest log lists it at level 30.
Is Mortality Wanes 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 20 to 30 gold guide.

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