Reached proficiency level 10 with any weapon type

Completed all missions in the Arid Badlands

Discovered The Scrapyard

Defeat the Leviathan in the single player Campaign.

Kill 50 enemies using the Wraith with the force barrier engaged in the single player Campaign.

Collect 5 pieces of intel in the single player Campaign.

Completed 15 missions in co-op

Killed Sledge

Rescued a groupmate from death in a co-op game

Killed 25 enemies with explosive weapons

Use Stasis on 50 Enemies

Earned level 10