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

Dockyard Discord Finish the Connection level in "Joe's Adventures."

I Felt Your Presence Witness the cult's meeting

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

Tenacious Traceur Wallrun, Turn, Jump, Wallclimb, Turn, Jump, Wallclimb, Turn, Jump

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)

Talk of the Town Get over 1,000 fans in any area.

The Thinker Consider Thought Cloud entries 100 times.

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

The Royal Protector Finish the game with Corvo Attano

Herbalist Reached the Max Herbalism level

Farewell Refuse the ritual

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

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

Terminal Headache Perform 50 headshots with a ranged weapon.

Sujimon Snag 'Em Recruited 10 Sujimon from battle.

Harsh Conditions Fulfill the 'Harsh Conditions' Prophecy

Power Kat Raised all of Kat's powers to the maximum.

Lovers Quarrel Green Arrow must defeat Black Canary with the final hit coming from Target Practice

Equipped an Elite Coil or Weave Equipped an elite coil on a weapon or an elite weave on an outfit.

Trick Arrow Skills Shoot a Lizard with a Special Arrow

The Past as a Present Get what you want

Papercraft Wizard Collect all the papercraft plans in the world

The Cockerel Crowed Long and short, far and near, each span has its year.

Hiding in Plain Sight Completed Chapter 6.

Ride the Vortex Travel to a new reality using a Lumivista TV

Dagon Defeat Dagon, Lord of Hell.

Mr. Green Thumb Fully upgraded the Grow House

Giant Crown Collector Obtain a gold crown for 10 or more monsters that appear from low or high rank.

One True King Awarded for achieving 100% completion.

Heavyweight Earn a Bronze Medal in all Infierno challenges

Retro Survive the arcade game reality

Faster Than Light Achieve a 10x point multiplayer in "Jimmy's Vendetta".

Death From Above Completed "Death from Above"

Into The Pitt Completed "Into The Pitt"

Hackett's Quarry Massacre Killed everyone

Night Sword Find a Night Sword.

Moving On Up! Collect 20 Specter Coins.

Detective Story Complete the Squats' detective board.

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

Splinter Ray Go through "Mansion of the Deep" without crossing any light from a Dark Sentry or touching any laser

She's Worth It? Completed "Man On a Ledge."

Stay Down Knock an opponent into an Arena Transition 25 times

Sorry, we’re DEAD In Shadows of Evil, kill 10 zombies that are inside of a store in one game.

Three-Second Rule Pick up your fallen head 100 times.

Frenzy Enter hell

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

Way Too Thorough! Fully investigated Terasawa.

No Longer Friends Cyborg must defeat Robin with the final hit coming from Apokolips

Back to Normal Break the Pact with the Dark Man