Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Decayed Remains	Enter the third anomaly.
Her Endless Nightmares	Enter The Reckoning.
Might Be Mended	Repair a weapon with repair parts.
Mysterious Horrors	Enter the second anomaly.
Purgatory	Reach Limbo in any anomaly.
Source of Torment	Enter the fourth anomaly.
Strange Land	Enter the first anomaly.
Superior Firepower	Upgrade a weapon with weapon parts.
The Conductor	Return a Conductor's Coin to the Conductor.
Tower of Pain	Enter the Tower of Pain.
Unbroken Loop	Complete the story.