Chunderhead

Cool Story Bro. Watch the movie "Atlas and Persephone" three times

Buzzkill Kill 10 brawlers with any saw launcher. They never saw it coming.

Paying Respects Attend a funeral

Thick Skin Completed Episode 11.

Redemption Completed Chapter 13.

Spinning a Yarn V Completed 40 sidequests.

Hide And Seek A deadly game of hide and seek

Master of the Wilds Complete all Hunting Challenges.

Master Ninja Complete any level using only the knife to kill enemies.

No Guts, No Glory Perform a 2.5 second or longer swan dive

Hit Me Baby Execute a 200-hit combo

Softened 'Em Up Completely weakened a racket by killing all of its Enforcers

Trick Shot Shoot a bottle out of the air

Swinger Ring out an enemy with the Club

Lock and Load Customize a multiplayer loadout

The Escape Complete 'Hunted' and 'Death From Above' on Veteran difficulty.

No Holds Barred Defeat 5 enemies with Coco's Spin.

Bird on the Ground Shoot down an enemy helicopter with an RPG in the single player campaign.

Chatterbox Complete all conversations with the Endurance crew.

Master Fletcher Craft 25 of each special arrow type (Fire, Grenade, Poison)

The Bog Complete 'The Bog' and 'War Pig' on Veteran difficulty.

Homecoming Completed Chapter 14.

Look Out Below Completed Episode 12.

The First Horseman Complete 'Shock and Awe' on Veteran difficulty.

Three-some Kill at least 3 enemies with a single shot from a grenade launcher.

Rotisserie Shoot a chicken out of the air with a fire arrow

Ripper Ruined Defeat Ripper Roo.

Kids Just Don't Understand Completed Episode 13.

Heavy Hitter Execute a 1000-hit combo

Desert Storm Find the Desert Eagle in 'Crew Expendable' and kill 5 enemies with it.

Chose Afterlife Entered the Infraworld.

Industrial Accident In the Main Campaign, killed 20 enemies with a Sky-Hook Execution.

Rise and Fall After an uruk kills you to become a Captain, help him become a Warchief, then kill him.

Ghost Train Fight for survival

IQ Test Solve the first riddle

Cold Shoulder Infiltrate the snowy mountain side base.

Maybe you should call a Doctor? Keep the Rage Meter Filled for 2+ Minutes

Fireproof Complete the Screw of Archimedes without getting hit by the Fire Traps

Self-Mastered Activated 50 ability nodes.

The Lost Tribe Completed Episode 14.

New Squadron Record Complete the cargo ship mockup in less than 19 seconds.

Bacon! Kill a razorback boar using a Molotov cocktail

Tonic Collector Collect or Invent 58 Tonics in the Physical, Engineering and Combat tracks

Burning Vengeance Perform an Execution on a flaming Berserker.

Memories of Another World Completed Episode 15.

The Second Horseman Complete 'Safehouse' on Veteran difficulty.

Found Cohen's Room The player has entered Sander Cohen's personal quarters

Freefall Don't look down

Arkham City Sirens Drop in on an old friend

Children of the Past Completed Episode 16.