Spirit of Amadeus Arkham revealed

Solve 85% of Riddler challenges

Glide continuously for over 100m

Complete story mode on Hard difficulty

Complete story mode on Easy difficulty

Solve 55% of Riddler challenges

Ride Titan henchman and knock down 10 thugs (any play mode)

Conquer the effects of the Scarecrow's fear gas

Defeat Titan henchman without using Batarangs (any play mode)

Capture and lock up Harley Quinn

Solve 25% of Riddler challenges

String up one henchman and drop him to surprise a second (any play mode)

Defeat Bane