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

Survive the nightmare of the Scarecrow's fear gas

Solve 10% of Riddler challenges

Escape from Intensive Treatment to the island surface

Survive the onslaught from the deformed Joker henchman

Take down Zsasz in the Patient Pacification Chamber

Read 30 books, journals or other documents.

Kill 5 foes in a fight without taking damage (except for Toxicity) and without using the Quen Sign.

Kill at least 5 opponents in under 10 seconds.

Clear Chapter 6.

Pick up and redeem a cosmetic item.

Complete "Bunkers & Badasses".