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Slashed Benefits Fulfill the 'Slashed Benefits' Prophecy

Join The Midnight Club You won a multiplayer race without damaging your vehicle too much.

For the Night is Dark Endurance Co-op Challenge: Clear 3 Enemy Camps at night in a single expedition

You Got The Message You delivered all 30 cars ordered through text message.

Fragmerchant - Kill 5 Helghast using a single grenade Kill 5 Helghast at once using a single frag grenade

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

Teamwork Endurance Co-op Challenge: Warm up from freezing by standing next to a campfire lit by your partner

Communication Skills Endurance Co-op Challenge: Kill 5 enemies that have been marked by your partner

Musician and Muse Fulfill the 'Musician and Muse' Prophecy

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)

Eregion Reforged Build all the Forge Towers in Udun.

No More Strangers You've met all the random characters.

Liquid Sun Cleared Act 1 (Middle East).

Dark Reflections Fulfill the 'Dark Reflections' Prophecy

Alone Time Endurance Co-op Challenge: Spend at least one day more than 60 meters apart

Superhuman! Perform every character's supermove

"Teamwork" Endurance Co-op Challenge: Collect an Artifact while your partner is down

Get Away from Her! Endurance Co-op Challenge: Kill an enemy melee attacking your partner

Skelly's Last Lamentations Earn the second of Skelly's prizes

Harsh Conditions Fulfill the 'Harsh Conditions' Prophecy

Platinum Congratulations!

No One Left Behind Endurance Co-op Challenge: Revive a player 3 times in a single expedition

Thorn of Thanatos Get 30% bonus damage with the Pierced Butterfly

Treadhead - Kill 30 Helghast whilst in the tank Take 30 Helghast lives whilst using the ISA tank

Teamplayer You killed 5 opposing team members.

Entombed Giant Defeat 6th Colossus

Night and Darkness Fulfill the 'Night and Darkness' Prophecy

Infernal Arms Unlock all Weapon Aspects

Genetically Superior You came first in 20 singleplayer street races.

End to Torment Fulfill the 'End to Torment' Prophecy

Duke or Dimwit? Defeated all waves in Duke and Dimwit Theater.

Medic!  Revive your Co-Op partner 10 times.

The Explorer Complete all optional missions.

One for the Ages Reach the epilogue of the story

Divided by Death Fulfill the 'Divided by Death' Prophecy

Friends Forever Max-rank each standard Keepsake

The Collector Have a dominated Caragath, Wretched Graug and Spitter Ghûl simultaneously.

Taffer's Delight Completed Burial at Sea - Episode 2 in 1998 mode.

Weedkiller Kill 5 Cysts in the Biology Building with a single poison gas cloud.

Complete Set Earn all Chthonic Companions

It Is What It Is Finish the game without upgrading any skills with green gel.

Rope-a-Dope In CitC, knock an enemy around the city with Undertow, then knock him off the edge of the city.

Pincushion Get 50 kills with the Hedgehog in the single player Campaign.

Rooftop Ruffian Defeated all waves in Raven's Dome.

A Few New Tricks Use 5 different Quickfire gadgets in one fight as Robin in Harley Quinn's Revenge

What Is Dead Can Sometimes Die Kill 1,000 Undead enemies with corpses.

Game of Bones Use Bone Armor to rip the bones from the Skeleton King.

Museum Curator In CitC, unlocked all Gallery items.

Missile Defense System In CitC, killed an enemy with splash damage by shooting a rocket out of the air.

Bringer of Order Complete Act V with a Necromancer.