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Rip And Tear As Colt, inflict a truckload of damage to Eternalists during a single use of Havoc.

Pointless Machines Collect the Crystal Heart in Chapter 1

*Slap* In solo play, finish off a Goliath with a melee attack

Corpse Wagon Detonate fallen Leeches to kill 25 enemies

Tower Master Complete 10 Living Towers

Succession Plans Break into Hell's Gate HQ and apprehend Two-Face.

Kitchen Hand The recipe is complete, the feast will be divine.
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Hero of the Story Complete 40 substories.

Infiltration Clear the "Classified Intel Acquisition" Side Op while riding in the back of a truck

Faction Champion Reach level 50 in any faction

A Night to Remember Rescued Tomoe Sayama

Infinite Blade Learned all skills in New Game +.
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Take damage to save time In the Tower's caves, drop from a high point to get deeper faster.

Killer Croc Have the final hit come from the crocodile in Slaughter Swamp

Resurrections Collect the Crystal Heart in Chapter 2

Campaign Bronze Obtain 36 medals on the original Arkham City campaigns (as Batman)

Perfect Timing Complete 100% of the Time Trials

Battering Ram Shield Bash 5 different thugs

Wax On, Wax Off Complete Training Program 2

King of Battle Achieved five-star ranks in all Coliseum Attack stages

Going Ape Throw 3 kegs during a match with Gorilla Grodd at the Ace o' Clubs

Honor Holds Us All Together You completed the debate with Otar Botkoveli.

Best of the Bunch Earn the MVP award in any Online Tournament match

A Kontender Complete 1 Tower Battle

Lucky Star Get a top-grade item from a Dream Machine.

Victory - Complete Campaign on Elite Completed every mission on Elite difficulty

Great Outdoors Endurance Challenge: Survive for 10 days

Synthesis Amateur Synthesize 15 types of items.

Stuck on You As a Scientist, Vanquish 10 Players with the Sticky Explody Ball

Globe Trotter Take a photo in each Chapter

Frequent Flyer Zip Kick 5 different thugs

Hell of a Sheriff Complete the No Way Out scenario. (No training mode)

The Cat Came Back Break into Riddler's secret hideout and exact your revenge.

Tidy Up Your Toys Rescued Sumomo Ujima

I HOPE You Survive Green Lantern must defeat Atrocitus with the final hit coming from Mechanized Assault

Pedro, I'm Sorry... Defeat Mutant Pedro in Claire's Episode Two.

All Snug in Their Beds Uncover the secret history of the park.

"It" Kept You Busy Defeat Pesanta in Separate Ways.

Spoiled for Choice Infuse one of each type of weapon.

Sever the Skyline Complete Chapter 1 B-Side

Faithful to the Abbey Side with the Overseers in the Dust District

See the Galaxy they said Play at least once on a desert, a forest, and a snow planet.

Vacation Endurance Challenge: Escape the forest after surviving for 7 days

Standing Room Only Rescued Nozomi Nakahara

Ahoy Matey Summon a Barrel Pirate and Map Pirate Zombie in Gardens & Graveyards

Lightning Dancer Dodge 200 lightning strikes and obtain the reward

All Magic-Bow Skills Acquired Acquired all of Mercedes's Psypher skills.

Gold Revenge Obtain all 72 medals on the original Arkham City ranked maps (as Batman)

A Feast for Two Endurance Co-op Challenge: Eat the meat of 3 bears with your partner

Perfect Freeflow 2.0 Perform a perfect combo including all of Batman's combat moves (any play mode)