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Ghost Hunter Discover 50 dead ghosts.

Sith Training Complete all Training Room lessons

Not of This World Completed "Not of This World"

Extra strong Upgrade the Health Potions

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

Against all odds Defeat any Boss without taking damage

Legend Defeat a Legendary Dragon

We Will Survive Win 15 matches in Team Survivors.

The Local Flavor Completed "The Local Flavor"

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

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

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

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

“Worlds of Hurt” – Expert Rescued the Little Sister in “Worlds of Hurt” in under 15:00, on Medium or higher difficulty

I feel lucky Purified the sword of the unlucky grave robber

Among the Stars Completed "Among the Stars"

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)

Finish Him? Perform any fighter's hidden finishing move

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

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

This Galaxy Ain't Big Enough… Completed "This Galaxy Ain't Big Enough…"

Gladiator school Survive 15 consecutive waves with each of the 4 characters.

Into The Pitt Completed "Into The Pitt"

Death From Above Completed "Death from Above"

Platinum Congratulations!

Whole world in his hands Bring balance to both realms

Walking With Spirits Completed "Walking With Spirits"

A Meeting of the Minds Completed "A Meeting of the Minds"

Sith Trials Complete all Training Room challenges and Combat Modules

Skin Deep Skin every species of animal in Story Mode.

Zoologist Study every animal across all states in Story Mode.

Queen Anne’s Revenge Playing as Blackbeard, perform an acrobatic kill and a gun kill in less than 10 seconds.

Cradle Claim a Base or Buy a Freighter

By the book Find 60 audio notes

A Reunion with Hanzo Completed "Yokai Country."

Sith Warrior Complete Game - Sith Warrior difficulty. Do not change the difficulty after the game has started.

Unsafe Working Conditions Completed "Unsafe Working Conditions"

Shock Value Completed "Shock Value"

Free Labor Completed "Free Labor"

Elevator to the Gallows Kill a player using a lift that has been trapped with Booby Trap.

The Explorer Complete all optional missions.

Revenge Complete Game - Dark Side

Grappled Defeat 100 enemies with a grapple move

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

Who Dares Wins Completed "Who Dares Wins"

Are you not entertained? Complete all Proving Grounds

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

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

Best in the West Attain 100% completion.

Do unto others... Killed the First Warden with the Warden Greatsword