Complete the final Penguin Support Squad Mission

Reach Max Level with Captain Boomerang

Fully complete the Combat Flair checklist 5 times (Single Player Sessions Only)

Get Penguin to overhaul a piece of gear

Reach Max Level with Harley Quinn

Kill The Green Lantern

Rescue Lex Luthor

Destroy the Behemoth

Recruit your second Support Squad member

Recruit your first Support Squad member

Steal something useful from the Hall of Justice

Temper a piece of Armor, Jewelry, and a Weapon.

Get 5 PvP kills.