Postmortimus

Liquid Licker Awarded for defeating a liquid metal slime.

Sweet Revenge Defeated your first murkrift Mirage.

Bronze Age Warrior Collect 35 common bronze rewards

Cock of the Walk Defeat an enemy using the Pollo Bomb

What a Nightmare Clear the Nightmare Train stage in Scenario Campaign Mode.

Frequent Flyer Zip Kick 5 different thugs

Home Makeover Pay for 50 jobs from the House Contractor

Knowledge is power Complete all of Plastic's missions

Badass Fully upgrade all of your skills and equipment

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

Fully Loaded Maxed out all upgrades

Thanks, But No Thanks Purge a Legendary Boon

Curtain Call Received a coin during the curtain call.

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

Top Rank Reach SeeD rank A

Sever the Skyline Complete Chapter 1 B-Side

Samurai Raised All Combat Reflexes to Master Level

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

Chocobo Capture a Chocobo

Brother Rememberance Find your Brother's memento

A Little Memento Obtained a souvenir for the camper.

Had to Happen Fulfill any 15 Prophecies

Burdened Make peace with the Wanderer

Everything is Fine Complete Snow-Topped Heights

Upgraded Assistant Upgrade Alisa to the highest possible level.

Scenario Expert Clear all of the stages in Scenario Campaign Mode.

Honor Bound Bind a piece of gear to a class.

Face to Faces Defeat the Dragon

Kat Working Overtime Completed 40 side missions.

High Wind Alert Defeated 10 enemies within 10 seconds using one Gravity Typhoon.

Darker Depths Complete The Nightmare Academy

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.

Mask Curator Collect all Masks.

The Singer Complete Prosper Bluff and speak with the Singer in the Bastion.

Lucky We Met! Whoa, I'm really mixing it with the celebrities here! C'mon, Rashid, you're the Raging Storm! Get out there and finish 5 Character Stories!

Down in the Labs Complete the sixth mission of the U.S.S. campaign.

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

Event Horizon Defeated 10 enemies with one Micro Black Hole.

Mammon Defeat Mammon, Lord of Hell.

Mother Rememberance Find your Mother's memento

Higgledy Gaggle! Awarded for getting a set of matching higgledies!

Rusty's Treasure Use your wits to reveal the hidden treasure

Running Errands Complete all side missions

Sewer Aficionado Discovered every mysterious warp manhole.

The Craghill Hunt Collect all experience in Craghill Moors

Chasing Shadows Complete Haunted Tombs

Higgledy Hotshot Awarded for cooking up 50 different higgledies.

Devil's Brigade Found all Dog Tags in the game

Master of Arms Fulfill the 'Master of Arms' Prophecy