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Up and coming terror of Whitechapel Unlock 50% of the skills.

It's Like That One Video Show thine worst enemy, the abomination known as "The Darkness", who is the nerdiest of them all.

A well-kept secret Jack is dead and his identity will be hidden forever.

Brutal Perform 30 complete Brutal Takedowns.

Out of Darkness's Clutches Complete Chapter 2 of INTERmission.

Storyteller Have 12 murderous dates with Calendar Man

Can't calm the crowd Kill an enemy as they are calming their panicked allies.

Vincible Killed Crawmerax the Invincible

Pop it! Burst the balloon at the end of Robots Rescue (playing alone or with a friend).

Off to a good start Win any Battle mission on Normal difficulty against the AI

Night Terrors Complete "Lost in Nightmares" on Professional.

Great shot, kid! Kill an enemy who is using a Jump Pack (Multiplayer)

Are you scared, yet? Scare 200 enemies.

Hmmmmm... Wield the Mysterious Amulet.

Collector Earn any diorama figurine in the game

Turtle-tastic Collect all the Happy Turtle flyers.

Mechanical Menace Complete "Mechanical Menace"

Shoot first Be the first in a match to earn a kill (Multiplayer)

Tread Not So Softly Kill an enemy by jumping on top of them.

Sneaky Little Buggers Killed each of the loot midgets

Obsessed Collect 10 pictures of Moxxi in Campaign of Carnage.

Make it Raaaaaid Vanquish the Ancient Dragons of Destruction.

Epidemiologist Cold Darkness Challenge: Complete Cold Darkness

Commander Of Magic Purchase all techniques.

Never tell me the odds! Successfully perform Cooling Flush 10 times (Multiplayer)

Ripperologist Achieve 100% synchronization in Jack the Ripper.

Gadabout Discover all named locations in Oasis and the surrounding Pirate's Booty areas.

Anyway, Here's "Firewall" Activate the Backburner's firewall.

The power of the Force Defeat another hero while playing as any hero on Heroes vs Villains

Springy Rescue Rescued the Bot in Twin-Frog Trouble.

TLAD: One Percenter Help Billy get his bike back. (The Lost and Damned)

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

Pumping Rescue Rescued the Bot in High Inflation.

Self-Actualized Reach rank 20 in any role.

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

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

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

Slimy Rescue Rescued the Bot in Suck It Up.

Once More, With Feeling Finish the main story in New Game+ mode

Far From Home Complete the quest "Far From Home"

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

A Short Introduction Begin a new hunt with Torvin.

Hanging Rescue Rescued the Bot in Handhold Havoc.

Dang Girl, You Ace At This Game Win the most challenging round in Murderlin's Temple.

Robot Hunter Unlock 10 Robot Mods

Headhunting Complete "Headhunting"

Lost Property No crimefighter should be without this

Destiny's Trialed Complete the Forge of Destiny Challenge Tomb

All right, I'll give it a try Earn a star on all training missions

Restoring Order Complete "Restoring Order"