Killed a flying enemy with a thrown Tediore weapon

Purchased 5 items from the black market

Killed a Constructor without it ever building another bot

Completed the mission "A Train To Catch"

Completed the mission "A Dam Fine Rescue"

Reached level 10

Completed the mission "The Road To Sanctuary"

Reached level 5

Completed the Helios-1 chapter on any difficulty

Collect a Legendary Weapon

Kill a Xenomorph climbing on the walls or ceiling

Melee a Lurker that is pouncing toward you