Unlocking the Heart's Potential

Unlocking the Heart's Potential was available when you reached reputation with the Champions of Azeroth prior to patch 8.2.0. Note that you would NOT get any hint or introduction that you've unlocked it.

Objectives
Speak to Magni Bronzebeard and empower the Heart of Azeroth.
 * Heart of Azeroth empowered

Description
I sense the Heart of Azeroth gettin' stronger,. Perhaps we can unlock even more of the amulet's potential.

Yer gonna need every bit o' its might. As if there weren't already forces fightin' over Azerite, lately it seems the servants o' the Old Gods have begun tae seek it out as well!

Come. We can use the Azerite ye've gathered tae strengthen the Heart.

Rewards
You will learn the following: Heart of Azeroth Item Level Increase (Increase the Heart of Azeroth's item level by 15.)

You will also receive:
 * 1,790 XP
 * 1,790 XP

Progress
Hold still, champion, while I empower the Heart of Azeroth.

Completion
We're on the right track, champion. Keep absorbin' Azerite and stoppin' those who seek tae abuse it.

Azeroth seems confused... worried. I don't know what tae make of it, but I fear things are gonna get worse before they get better.