ODARRZ

The Cauldron Destroy Grýla's cauldron

Backyard Brawl Battle the Mysterious Valkyrie

How it Started Equip an Enchantment

Root of the Problem Battle Níðhögg

Spartan Ways Remember the Spartan teachings

Off the Leash Battle Garm

Comeuppance Battle Heimdall

Making Amends Free the Lyngbakr

Better Together Battle Hrist and Mist

Ragnarök Battle the All-Father

Shocking Rescue Take down Zsasz in the Patient Pacification Chamber

New Friends Fetch Lúnda's orb

It Was a Good Day Retrieve Mardöll

Malpractice Needs More Practice Survive the onslaught from the deformed Joker henchman

Besties Pet Speki and Svanna

Leave No Man Behind Rescue the guards and henchman from the Joker toxin in Decontamination

Funeral for a Friend Attend the funeral

Full Gufa Free the Hafgufas

Rebel Leader Return the Hammer of the Rebellion

Phalanx Obtain all Shields

Born Free Escape from Intensive Treatment to the island surface

Freeflow Combo 10 Complete a combo of 10 moves (any play mode)

Dragon Slayer Craft the Dragon Scaled Armor Set

Pure of Hart Return the Stags of the Four Seasons

Rightful Place Return all the Lindwyrms to Ratatoskr

How it's Going Fully repair the Amulet of Yggdrasil

Arkham Analyst Solve 5% of Riddler challenges

Invasive Species Complete all of the Crater Hunts

Full Belly Obtain all of the Apples of Iðunn and Horns of Blood Mead

Just What The Doctors Ordered Save all the doctors in Medical

Ready for Commitment Fully upgrade one armor set

The Florist Collect one flower from each of the nine realms

The Librarian Collect all of the Books

Trials by Fire Complete the Trials of Muspelheim

Daydreamer Survive the nightmare of the Scarecrow's fear gas

The Curator Collect all of the Artifacts

Cryptic Investigator Solve 10% of Riddler challenges

Baneful Payback Defeat Bane

The True Queen Battle Gná

Grave Mistake Battle King Hrólf

Breaking And Entering Gain access to Arkham Mansion after it is locked down by the Joker

Collector Obtain all Relics and Sword Hilts

The Bear and the Wolf Collect all Trophies

Boom Goes the Dynamite Shoot a bundle of dynamite out of the air.

Recurring Nightmare Face your biggest fears and keep your sanity

Zsasz Cut Down To Size Save Dr. Young from being killed by Victor Zsasz

Solitary Confinement Capture and lock up Harley Quinn

Freeflow Combo 20 Complete a combo of 20 moves (any play mode)

Lateral Thinker Solve 25% of Riddler challenges

Double Trouble Defeat two Titan Henchmen at once