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Necro Flambé Kill 50 enemies using the Flamethrower

Dragonslayer - Destroy the ATAC within 1 minute 30 seconds Destroy the Salamun Bridge ATAC in under 1 minute 30 seconds

Extreme Firefighting Set 5 enemies on fire and then kill them with explosives.

Sinking to New Depths! Find the lowest point in the world.

In Harmony 500 coop jumps.

More Power Use 50 Konsumables

The Path of Knowledge Complete "The Path of Knowledge"

Resourceful Agent Help friendlies in resource gathering.

Miniature Crown Record your first miniature crown for monsters that appear from low or high rank.

Shock Therapy Impale an enemy with the Javelin Gun and use its Alt-Fire to shock 3 others (single player only)

Gysahl Wreath Discovered buried treasure with a little help from a chocobo.

Empty Chamber Kill 30 enemies using melee strikes or a melee Weapon Part.

Disco Create a sun ray with Kotal Kahn and perform a flip stance 5 times while in the ray

It's a Trap! Kill 20 enemies with Detonator Mines in a deployed state

BUDDY!!! Send a Tower Challenge to a friend

Light Seeds Gatherer Collect 700 Light Seeds.

Beyond Death Complete "Beyond Death"

Commander Of Magic Purchase all techniques.

Slaughter House Dismembered 100 enemies

Tourist Send an opponent through all three Metropolis transitions in one fight

Go for the Limbs! Dismember 500 limbs from living enemies.

Self-Actualized Reach rank 20 in any role.

Assassin View Find the Assassin's view.

Warrior Special Dodge the Warrior's attacks 20 times in one battle.

Close Encounter Kill 10 alien Necromorphs.

King of the Skill Equip and use each skill.

Think Fast Kill 30 Necromorphs with Kinesis objects

Barrel of Death - Kill 3 Helghast using your environment Kill 3 Helghast at once using the surrounding environment

Expert Creator Complete all levels in the Tutorials

A Legend for All Time Complete Jin's Journey in New Game+.

Untouchable Performed 25 Counter moves

Double, Double, Toil And Trouble Create 20 Concoctions.

Hara Kiri Kill yourself with Kotal Kahn for 1 round and win the match

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

At the Summit of Apocrypha Complete "At the Summit of Apocrypha"

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Chapters 8-11 (Normal) Complete Chapters 8 through 11 on Normal difficulty.

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

Temper Temper Hunt your first tempered monster.

The Hunter's Life for Me Complete 50 optional quests.

“The ‘I’ in Team” – Collector Found all collectable Roses in “The ‘I’ in Team”

Almighty Complete a Test Your Might Tower

Astonishing Found 1/2 of all Dog Tags in the game

No Assistance Required Complete a Special Ops Mission Mode game on Hardened or Veteran with no player getting downed.

R-E-S-P-E-C-T Pay 100 total respect points in King of the Hill

Architect Build three wings on a house

Whatever it Takes Killed 30 enemies using objects in the environment

Master Conductor - Electrocute 3 Helghast Electrocute 3 Helghast with a single burst from the VC5 Electricity Gun

Get Your Hands Dirty Complete 'Semper Fi' on Veteran difficulty. (Solo only)

Wicked Weave Master Execute 20 Wicked Weave attacks while using Dodge Offset.