Kill a Volatile.

Perform 50 takedowns.

Survive your first night.

Enter the Bazaar.

Use an Inhibitor for the first time.

Kill 20 enemies in a row with melee weapons without taking damage.

Defeat 50 enemies with headshots

Stealth take-down 30 enemies

Defeat 4 enemies with the same explosion (all explosive items and weapons apply)

Find a Journal Entry

Defeat 20 enemies with headshots

Complete "Dragonslayer"