Reach level 10 with Tal’darim Highlord Alarak in Co-op Missions.
Earn 25,000 Bonus Objective XP on Normal difficulty.
Complete the "Amon’s Fall” mission in the Legacy of the Void campaign.
Purchase the Tal’darim Highlord Alarak Co-op Commander.
Reach level 15 with Matriarch Vorazun in Co-op Missions.