Fire in the Sky
Melee-kill a Jet Vehicle in the air in Campaign or Escalation.
5/24/2012
10:50:56 AM
Rare 21.5%
Magic Time
Complete the Arkeyan Armory level and acquire the elemental source.
4/27/2012
7:57:16 PM
Rare 39.5%
The Ace Pilot
Defeat 30 enemies while riding the War Machine in the Arkeyan Armory level.
4/27/2012
7:38:55 PM
Rare 39.9%
Dancing Fire
Complete the Lava Lakes Railway level and acquire the elemental source.
4/27/2012
3:42:56 PM
Rare 41.6%
Undead Spirit
Complete the Creepy Citadel level and acquire the elemental source.
4/27/2012
3:01:16 PM
Rare 44.1%
Mail Slot
Kill 10 guardians with headshots from the front while their shields are raised.
4/20/2012
11:50:54 AM
Rare 23.0%
Lost and Found
Dispatch 10 probes to retrieve people or resources in Reaper territory.
4/15/2012
9:08:11 PM
Rare 38.0%
Tour of Duty
Finish all multiplayer maps or all N7 missions in single-player.
4/14/2012
4:17:57 PM
Rare 38.3%
Perfect Technology
Complete the Battlefield level and acquire the elemental source.
4/8/2012
9:42:45 AM
Common 51.9%