Halo 5: Guardians

Prison Break

Simultaneously killed two Wardens in The Breaking on Heroic difficulty.

Ultra rare · 1.36% of players

Worms Don't Surf

Knocked two Hunters into the ocean during the Battle of Sunaion.

Ultra rare · 1.51% of players

Harbinger

Completed The Breaking on Legendary difficulty without the entire fireteam dying.

Ultra rare · 1.56% of players

Double Stuff

Simultaneously destroyed 2 cores in Guardians on Heroic difficulty.

Ultra rare · 1.56% of players

Preying Mantis

Completed Swords of Sanghelios co-op with both Mantises on Heroic difficulty.

Ultra rare · 1.65% of players

No Witnesses

Destroyed the Phantom at the Covenant camp in Reunion on Heroic difficulty.

Ultra rare · 1.7% of players

Maverick

Teamed up in a vehicle to kill 30 enemies in Unconfirmed co-op.

Ultra rare · 1.8% of players

Enemy of my Enemy

Helped the Elite General charge the hill in Osiris on Heroic difficulty.

Ultra rare · 1.85% of players

On My Mark

Simultaneously assassinated two Elites in Blue Team co-op.

Ultra rare · 2% of players

Savior

Kept 6 miners alive at the elevator in Evacuation on Heroic difficulty.

Ultra rare · 2% of players

Rolling Thunder

Operated four different vehicles at once in Mission 13 on Heroic difficulty.

Ultra rare · 2.24% of players

Fire Drill

Finished Evacuation within 18:00 without dying on Heroic difficulty.

Ultra rare · 2.34% of players