AsherZero

Event Horizon Defeated 10 enemies with one Micro Black Hole.

One Who Obtains the Cauldron Defeated the Cauldron with Velvet.

One Who Kills the Snake Defeated Leventhan with Gwendolyn.

Defragmented Completed every fragment category.

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

Armageddon Completed the Book of Armageddon.

One Who Inherits Life Witnessed the earth's rebirth.

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

Anomalous Witnessed every possible Paradox Ending.

Alexander Unlock Guardian Force Alexander

Faction Champion Reach level 50 in any faction

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

Old-Timer Acquire a car manufactured in 1959 or earlier.

Vacuum Cleaner Decompress 20 Necromorphs without getting sucked out yourself

Cerberus Unlock Guardian Force Cerberus

Sewer Aficionado Discovered every mysterious warp manhole.

Not a Scratch on Her! I'm not taking any chances, this bus can't take much more damage. (Ch. 12)

Ack Ack Protect your tanks by shooting down all planes in Operation Cobra.

Pipe Coordinator Placed 9 types of furniture in Kat's Pipe House.

Full House Kill 5 enemies with each type of Agony Bolt.

Battering Ram Shield Bash 5 different thugs

Mass Production Produce 100 objects from your builders

Skilled Commander Perform 50 All-Out Attacks

Great Outdoors Endurance Challenge: Survive for 10 days

Make That Money Exceed 10 billion yen in capital for Kasuga's company.

Yggdrasil Rooter Awarded for taking the dew to the benighted World Tree and dispelling the darkness.

Synthesis Amateur Synthesize 15 types of items.

Majima From Below Assaulted by Majima from a manhole.

KamuroGo Local Completed 30 KamuroGo City Missions.

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

A Kontender Complete 1 Tower Battle

Frequent Flyer Zip Kick 5 different thugs

Trepaning For Fun and Profit Collect all the items (skulls) on "Nightmare"

Break it Down! Breaker Majima forced his way into a fight.

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

Persona Shopper Buy a Persona from the Compendium

Stunt Driver Get 100 stunt driver points.

Expert Marksman Kill 2 enemies more than 200m away with headshots in 3 seconds.

Hi-Jack It Steal and deliver all Vehicle Theft targets.

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

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

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

A cunning warrior Reach level 3 once with any Trait (Multiplayer)

Greedy for Ingredients Awarded for expanding your ingredients bag to maximum capacity.

Lightning Dancer Dodge 200 lightning strikes and obtain the reward

Chocobo Capture a Chocobo

Top Rank Reach SeeD rank A

Lunar Vortex Grabbed 5 enemies with one Lunar Style Vortex Field.

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

Jack of All Trades Raised 7 jobs' ranks to max.