Setherious

It's Wintertime! Change Chirper to a winter look

Back from the dead Resurrect 10 teammate's souls at an altar

Superior Thulian Technology In The Frozen Dawn, unlock the Ancient Ubersprengen

Hunting for Answers Complete Nightfall: Chapter III

Step on the Gas In Classified, kill 50 zombies while affected by Nova 6 Crawler gas in a single game

Friendship is for suckers ... Kill someone on your friends list. (Multiplayer)

EXTRA: VIII - Edge of the Earth Trigger a Lavatrix Machina with Para Kooleo.

Robber Baron Complete Robber Baron quest.

State of the Art You purchased a Mod in every tier for one of each upgradable item in the Equipment Terminal for the same character.

Vermilion Amber Essence Awarded only to those who have
completed tasks designated by the
Research Lab to be the most difficult.

Gold Crown Plaque Awarded for registering
many gold crown-sized
monsters.

Farsight Get 3 Kills with a single use of the Gravemaker Scorestreak

Who's laughing now? Kill 10 boss units

The Fall Complete Nightfall: Chapter IV

Immune Complete the game without using medikit

Pirate Hunter Kill 1 Pirate Lord

It comes after 29 and right before 31 Reach rank 30

Size DOES Matter Punch Oz with a Goliath in Descent.

Prank Go through with the prank

Lab Rat Equip a Research Perk into every slot of any Crisis Kit. 

Outrun the Overlap In a public match, repair the generator in the main house in the Garden of Joy and escape.

Earth Avenged Overthrow the aliens at any difficulty level

Cold War Remedy In Classified, retrieve and equip the Project Skadi prototype

A Pirate's Life Pirate a merchant

Coronation Clear all missions of the game.

Brother in Arms Join a Cabal.

David and Goliath Kill a Berserker in melee combat

Hardcore Hacker Hack 10 transponders successfully

They're among us Upgrade the category of an Alien Encounters DLC vehicle to Ultimate.
0/100

Freedom Freed the Scion.

"Times have changed" Find the hidden lightsaber (in Rescue the Squad)

Win Coxwell 25 times Win Coxwell 25 times
0/100

Hotshot Manually fly to the Sun Station.

Rapid Response Revive yourself using the Medic Drone

Ancient As the Predator, claim 1000 Fireteam member trophies (Any Claims)
0/1000

Don't Knock my Line Spin 3 times on a stage and win

Against the Clock Complete 10 Time Trial events

Sequence Breaker Destroy two generators before entering Vectron.

Demon Destroyer Defeat 1,000 enemies total.
27/1000

Adept Adam In a public match, escape with Adam using only his 3 unique perks.

Tactical King Earned Gold in all Circuit Experiences

Rare Collector You found all of the collectable figurines in Burglar on Expert

Now that's hardcore! Hit an opponent with a foreign object or put them through a table. (Single play)

Keep your friends close ... Perform a kill move on a friend. (Multiplayer)

Wheels Up Hold a press conference to announce your free agent destination.

A Harsh Reality Listen to the phone call that changes it all.

Restin' In Power Get to know the Vic you never knew.

Clear Skies You have weathered the storm.

Elysian Glory Prevail in the Contest of Champions

Dog of War Collect 9 dog tags in Battle Royale or Gauntlet.