BigCeezium21

Take to the Skies! Obtain the Sky Flyer.

First Aid Use your Healing Potion 1,000 times.
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Established Catcher Capture 50 Monkeys.

Campaign Silver Obtain 72 medals on the original Arkham City campaigns (as Batman)

Seize the Moment Buy a special croquette from Sozai Daigaku

Depth Clear the "Eliminate the Renegade Threat" Side Op by extracting both targets

We Will Survive Win 15 matches in Team Survivors.

Hey, it's-a-me! Execute a stomp move on an enemy

The Bird in the Sky Never get noticed by the helicopter

True Serpent Breath Defeat True Orochi.

Materia Maven Obtain all materia available from Shinra Box Buster challenges.

The Gift that Keeps on Giving Experienced all 9 Game Modes and all 9 Modifiers of the Mutator.

Guardian Do not allow any friendly armor to be destroyed during Act 3-5.

Heart of the Mountain Collect the Crystal Heart in Chapter 8

Unseen Predator Remain in Zer0's Decepti0n mode for 10 seconds straight.

Ghosts of the Past Face all of Carver’s demons by completing all Co-Op only optional missions.

Sentimental Value You kept Megan's bracelet for yourself. Apparently, letting go really is the hardest part.

Itegami Learn how to use Blizzard.

Granter of Your Desires Buy 5 things from Tanaka's Amazing Commodities

Capped Out... For Now Reach level 35.

Treasure Hunter Held every weapon and accessory.

Twin Birdbrains Defeat the twin demons, Lechku and Nechku.

Frosty Monkey Play the Ski Kidz Racing mini game.

Demolish Part 2 Campaign: demolish 50 houses

Ultimate Hero Acquired all trophies.

It's Art Find a permanent home for the squirrel statue.

Legend Defeat a Legendary Dragon

No Furball on the Menu Make your way to shore without being swallowed by the Water Dragon.

All Creatures Great and Small Complete your Animal Tome.

Master of the Direct Tag Assault You pulled off 3 Direct Tag Assaults.

Fisher is the Other Sam Proceed on the monorail in Act 3-4 without being spotted by the enemy troops or searchlights.

Grin and Bear it Survive 18 bear attacks and kill the bear each time in Story Mode.

Parasite-Seeing In Shadows of Evil, kill 5 Parasites while riding on the train.

Campaign Gold Obtain all 108 medals on the original Arkham City campaigns (as Batman)

Dinner at 8 Guide 8 Sacklings to the very end

Auld Lang Syne Destroy two enemy robots who have been distracted by a cigarette.

Heavy and Frail Collect the Crystal Heart in Chapter 6

A Mind is a Terrible Thing to Waste Read the minds of everyone ever

Dish Best Served Cold You pulled off 3 reversals.

Scuba Diver Mice spend a total of 600 seconds underwater.

I just love them! Win all the creatures

Throttled Escape Escape using a relic in Regular or Hardcore difficulty.

Completionist Complete all Extinction challenges and escape in Regular or Hardcore difficulty.

Vrooom! Maintain sprint speed for 30 seconds.

Rolling Heavy Kill 5 enemies using one burst of Unstoppable Force.

Perfect Knight - Day 2 Complete every challenge in Arkham City - Main Story, Side Missions, Upgrades, Collectables, New Game Plus and Riddler's Revenge (as Batman)

Pacifist Clear the "Intel Operative Rescue" Side Op without killing a single enemy

Quiet and Falling Collect the Crystal Heart in Chapter 5

Papercraft Wizard Collect all the papercraft plans in the world

Be Still My Iron Heart You won a ranked match in Online Mode.