Covenant-cide
Kill 120 enemies in Firefight Matchmaking.
3200cR
Just Holdout
Kill 150 enemies on Holdout in Firefight Matchmaking.
2500cR
It was the Winter…
Complete Winter Contingency on Legendary without dying.
3000cR
Up Close and Personal
Kill 5 enemies with close quarters combat in a multiplayer Matchmaking game.
2343cR