Melliand

Skilled Negotiator Complete the Special Ops mission "Negotiator" on Veteran difficulty.

Survived Nightfall Kill the Breeder for the first time in Nightfall in Regular or Hardcore difficulty.

Your Titan is Ready Get a kill by activating the Titan Engines

The Teacher Remains the Teacher Defeat Javier Jaguar as Uay Chivo in an un-nerfed one-on-one rematch.

Student of History Activate all Iron Lord Artifacts.

Phantom Exterminator Kill 5 Phantoms in one game in Nightfall in Regular or Hardcore difficulty.

By Strength and Guile Reach level 10 with RINGO.

Come Up For Air Reach the top deck in Mayday in Regular or Hardcore difficulty.

De Oppresso Liber Reach level 10 with ANIMAL.

Handle with Care Complete the "Special Delivery" Special Ops mission on any difficulty.

Do you even Exo? Exo Melee kill 10 zombies in 30 seconds in Outbreak.

Sweep! Sweep a frame by scoring a point on every ball you throw in one round of Bocce.

Cheapskate Acquire the exo suit without spending any money in Outbreak.

One Shot, One Kill Reach level 10 with ALABAMA.

EMPressive... Complete the "Kill Switch" Special Ops mission on Veteran difficulty.

Apex Complete the "Vertigo" Special Ops mission on any difficulty.

Facit Omnia Voluntas Reach level 10 with ZEUS.

Variety is the Spice of Life Complete 13 different Dynamic missions.

Not on My Watch Rescue all the hostages in the Special Ops mission "Negotiator."

Honneur et Fidélité Reach level 10 with CHUCKLES.

Has science gone too far? Get a kill using the HT-95 Levkov, XD-1 Accipiter, Rorsch Mk-1, and Schipunov 42

Feline Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Catwoman)

Gone Dark Complete all Covert contracts

Clean House Complete all Demolition contracts

Ostiophobia Defeat the son.

Washington Raiders Complete the full Operation Dark Hours raid in a group of eight players.

Spliced Complete the "Wrath of the Machine" raid.

Perfect Execution Complete all Precision contracts

First Blood Finish a round of Last Stand

Fangdango Eliminate VAMPIRE.

Sine Labore Nihil Max out all operatives.

Siege Complete the "Light 'Em Up" Special Ops mission on any difficulty.

Dedicated To The Cause Complete all Covert, Demolition and Precision contracts

Not a Scratch Finish with your tank at full health in the "Iron Clad" Special Ops mission.

Deforestation Kill 15 Seeder Turrets in one game in Mayday in Regular or Hardcore difficulty.

Millionaire Earn 1,000,000 Vektan dollars

Egg-stra XP! Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.

Untouchable Use only one self revive care package in the "Special Delivery" Special Ops mission.

Greatest Tag-Team in History Defeat both Lightning Skeleton arenas in The Great Temple on Hard Mode, with 2 or more players (or as Javier Jaguar)

Took this thing on a test flight Complete Arcade mode with a custom made ship, at Veteran difficulty level

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

Chemophobia Defeat the trademarked chemical.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Specter Officer Reach max level with one class in the Cooperative campaign.

Doublecrossed Eliminate GRIFTER.

Pea Shooter Kill a Rhino with only a pistol in Nightfall in Regular or Hardcore difficulty.

Syngenesophobia Defeat the brothers.

World Peace... For Now Beat the game on all difficulties.

Katagelasticism Mock the traitor.

Moneybags Have 15000 credits in the bank in Outbreak.