Reach the maximum Level for one Melee Weapon

Complete any Mission in Operations mode on Ruthless Threat Level

As a Heavy, kill 500 enemies while in Heavy Stance

Kill 1,000 Chaos servants in Operations mode

Force a Ravener to release a grabbed Squad Member

Eliminate the Daemonhost and restore vox communication

Kill 5 enemies while they are conducting a Call for Reinforcements

Kill the Hive Tyrant

Perform 50 unique Finishers

Defeat the Lord of Change and face a figure from the past

Discover the true nature of the Aurora device

Hear all of the Chaplain's dialogues