Barak Kodobane Heroic is an encounter inside the The Barrens set of Mercenary Bounties.
This bounty can be picked up from the Bounty Board and recommends a Party level of 20 to complete it.
You can unlock Barak Kodobane Heroic by first completing Sunwalker Proudhoof.
Potential Barak Kodobane Heroic Bounty Rewards
In addition to earning Mercenary Coins based on your Party members, Bounties are assigned to specific Mercenaries to allow you to target loot better.
The following Mercenaries can have their loot appear in the Barak Kodobane Heroic Bounty: