1.36%
Prison Break
Simultaneously killed two Wardens in The Breaking on Heroic difficulty.
1.51%
Worms Don't Surf
Knocked two Hunters into the ocean during the Battle of Sunaion.
1.56%
Double Stuff
Simultaneously destroyed 2 cores in Guardians on Heroic difficulty.
1.56%
Harbinger
Completed The Breaking on Legendary difficulty without the entire fireteam dying.
1.65%
Preying Mantis
Completed Swords of Sanghelios co-op with both Mantises on Heroic difficulty.
1.70%
No Witnesses
Destroyed the Phantom at the Covenant camp in Reunion on Heroic difficulty.
1.80%
Maverick
Teamed up in a vehicle to kill 30 enemies in Unconfirmed co-op.
1.85%
Enemy of my Enemy
Helped the Elite General charge the hill in Osiris on Heroic difficulty.
2.00%
On My Mark
Simultaneously assassinated two Elites in Blue Team co-op.
2.00%
Savior
Kept 6 miners alive at the elevator in Evacuation on Heroic difficulty.
2.24%
Rolling Thunder
Operated four different vehicles at once in Mission 13 on Heroic difficulty.
2.34%
Fire Drill
Finished Evacuation within 18:00 without dying on Heroic difficulty.