Destroy 100 Spiders in Campaign or Escalation.

Ignite a Brute's back 5 times in Campaign or Escalation.

Kill 2 Snipers in 5 seconds in Campaign.

Headshot a Cloaker when it is invisible in Campaign or Escalation.

Get 10 kills using detached turrets in any mode.

Kill the Slug Boss with more than 50% Shield strength remaining

Complete Chapter 7 on any difficulty setting

Dismember 1000 Limbs

Kill the Leviathan

Complete Chapter 5 on any difficulty setting

Escape from a Lurker's grab attack 10 times

Survive the ADS Canon with over 50% Shield strength remaining