Go through your first bad ending.

Obtain 1 Quest File.

Gain 1 Cinema File.

Complete Panam Palmer's storyline.

Kill or incapacitate an enemy who threw a grenade at you.

Kill 10 enemies in a row using only Gauntlet after obtaining the Revolver

Interrogate Anders Hellman.

Steal the Relic.

Defeat stage 1 boss "Kaina"

String 100 hits

Use Zanshin to defeat an enemy

String 50 hits

Destroyed an Elementum Pillar for the first time