Nazjatar Ally - Vim Brineheart

Nazjatar Ally - Vim Brineheart is a currency used in the combat ally system of Nazjatar. Upon obtaining it, it is automatically converted into Vim Brineheart's experience.

Source
It appears as a quest reward from the following combat ally quests in Nazjatar:
 * A Blow to Morale
 * A Good Offense
 * Eel Filet (Horde)
 * Plug the Geysers (Horde)
 * Reinforced Cache (Horde)
 * Turn the Scale (Horde)
 * WANTED: Gler'thogg (Horde)
 * WANTED: Lady Naz'jess (Horde)
 * WANTED: Lord Ha'kass (Horde)
 * Where They Hide (Horde)