Des-Sensei

Empty Chamber Kill 30 enemies using melee strikes or a melee Weapon Part.

Tag, You're It Kill 40 Bullseye tagged enemies

MemHunter Elite Finish the game in Memory Hunter Mode

400 Beat 400 enemies

THIS IS RAGE Use Dash Strike kick to kill 10 enemies

Knight in Shining White Armor Revive 20 friendly troops.

Queen of the hill Survive the entire Leaking Brain assault (episode 3) without using Power or Regen Pressens

Go for the Limbs! Dismember 500 limbs from living enemies.

Short Circuit Destroy ten enemy robots that have been disabled with an EMP emitter.

I Don't Speak Kreon! Complete Act 3 without using mission select.

C-Section Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

Think Fast Kill 30 Necromorphs with Kinesis objects

Two Birds with One Stone Destroy two or more enemy robots at once with the LFE gun.

Gotta patch them all! Find all SAT Patches

First Time Director Enter Director Mode for the first time as an unlocked actor.

Close Encounter Kill 10 alien Necromorphs.

Skewered in Space Impale an enemy into a Decompression Window to cause it to blow out

Limit Break Collector Obtained all DMW images.

Machines do it better Use the Sensen RIP to make robots knock 20 human enemies out

It's all in the details Find all Mnesist memories

Whatever it Takes Killed 30 enemies using objects in the environment

Mail Completionist Received mail from all senders.

Overpowered Dealt 99,999 damage to an enemy.

Kling of the Clink Serve time in Toussaint.

Pest control Find all Scaramechs

My Boom Stick Kill 6 enemies at once with Line Gun's Alt-Fire (single player only)

8-hit wonder Perform 40 8-hit Combos

“A Shocking Turn of Events” - Rescuer Rescued the Little Sister in “A Shocking Turn of Events”

From Beyond the Stars Collect and return all spaceship parts.

“The ‘I’ in Team” – Collector Found all collectable Roses in “The ‘I’ in Team”

Get Up, Mr. Bubbles! Score an Aerial goal while playing in AquaDome

Leader of the pack Beat a Mourner without beating its supporting sidekicks

Guns For Show Use all guns at least once

A Mystery, Solved Solve the mystery of Leonora Johnson.

My Way Complete Act 4 without using mission select.

Pitcher Use all throwing weapons at least once

Zookeeper Kill the Brawler in Haven without taking any damage

Bronze Revenge Obtain 24 medals on the original Arkham City ranked maps (as Batman)

Lest Ye Be Judged Encounter an Agent of the Nine somewhere in the system.

Lead Foot Win a Race in the Campaign

Dropping L-Bombs Trigger two Logic Bombs in less than 15 seconds

Adrenaline Rush Manually trigger AR Mode and destroy three enemy robots in a row.

Raining Limbs Kill 25 Grims using only grenades

Aerial Superiority - Kill 5 Helghast while in the air Killed 5 Helghast while airborne using the Jetpack

The Village Completed the Jungle Mission

Vehicular Manslaughter Destroy 10 Warden vehicles while on the train

Never Saw It Coming While invisible, used Peeping Tom to knock out 15 enemies with a melee attack.

Romanov This! Destroy a Romanov with a melee attack.

Rex Rider You rode on the back of a T-Rex!

RIG Master Fully upgrade your RIG.