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Guardian Angel You paid poor Jaya's debt in full. How very... humane... of you.

Run the Gauntlet Complete "Desperate Escape" on Professional.

The Last Straw You talked Doctor Isaias Sandoval out of suicide.

It Takes Two to Tango Chain a 40-defeated combo in Team Slayers.

Rattle the Hive Bait 10 Ghûl mounds.

Helping Hands Revive a Co-op player 20 times

Sphinx' Riddle Complete all 40 of the Catwoman Riddler grid items

Spitting Lead Kill 50 enemies using the Wraith with the force barrier engaged in the single player Campaign.

Army of One Win 15 matches in Slayers.

DLC: Zombies: Killer BeeZ Destroy all the Zom-bee nests in Laboratory of the Dead.

Rough Justice Stop Penguin's escape from GCPD.

Overachiever Earn 48 stars in Special Ops Mission Mode.

Bouncer Keep Chimeran forces from entering the Brewpub

Nature Retreat Endurance Challenge: Survive for 7 days

Finish Him You completed 10 melee counters in 4 minutes.

Cloak & Daggers Deal with the man in the shadows.

The D Project You watched the entire credit list and saw the surprise at the end.

O Mother, Where Art Thou? Have 20 Branded Ghûls at one time.

Burning Shadow Shadow Brand 20 Uruks.

Archivalist Collect all journals

Nom Nom Nom! Eat a captain with a Wretched Graug.

The Most Dangerous Game Defeat all the Beastmaster Warchiefs.

The Throwdown You convinced the smooth-talking politician Bill Taggart to tell the truth in public.

Corpse Wagon Detonate fallen Leeches to kill 25 enemies

Deck Scrubber Reclaim the Dutchman's ship within 5 minutes during the boss fight

Honor Bound Bind a piece of gear to a class.

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

Retro Now Play a Holotape Game

Friendly Skies Defeated all waves in The OPS Zeal.

The Fall You sent Diamond Chan on the trip of a lifetime.

Right in the Grape... Singleplayer: Get 7 headshots in a row with any weapon except the long range sniper rifle.

Hot Flashes Catch a Ghûl Matron on fire during the Lord of the Hunt campaign.

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

Battering Ram Shield Bash 5 different thugs

Liberty City (5) Your friends all like you above 90%.

Great Outdoors Endurance Challenge: Survive for 10 days

Mass Production Produce 100 objects from your builders

Feeding the Pig Singleplayer: In Compromised, get 15 kills with the M60

Frequent Flyer Zip Kick 5 different thugs

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

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

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

Hidden Agenda Discover 15 secret areas

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)

Eye of the Tiger Win 15 matches in Survivors.

Time for Pints Finish the Campaign on any difficulty.

Good Fences Don't allow any counter-attackers into the Washington Square base

Juggler Simultaneously burn, freeze and poison 4 separate enemies