Defeat an arena without taking any damage

Destroy a Block using Uppercut

Complete the Chicken Herding quest

Become a Luchador

Clear Elysium with the 'Extreme Measures' Condition

Kara succeeded to make the cop go away

Trade 20 times with the Wretched Broker

Use an Olympian's Greater Call against them in a Trial

Clear an escape attempt

Clear Elysium

Unlock each of the Infernal Arms

Pet Cerberus 10 times

Had an enemy frozen, corroded, ignited, and electrocuted at the same time.