Why

Obtain all other trophies

Collect all of the Artifacts

Deliver the Golem's replacement arm

Defeat the nine Valkyries

Kill the Convict's Past

Equip a loadout worth more than 45100 Residuum.

Die in the Past

Kill the Marine's Past

Clear the Third Chamber 30 Times

Take out a guard with a silenced pistol, with a shotgun and with an SMG.

Get 10 different Playstyles.

Clear the Second Chamber 40 Times