Darkness Within 2: The Dark Lineage achievements

Retrieve the whereabouts of the mansion named The Gate.

Find the Homunculus experiment.

Prepare the mixture for the dangerous insects.

Solve the disc puzzle in the elevator.

Open the small trapdoor which holds the key to the underground galleries of the old stone building.

Underline Arkhamend in the letter that Loath Nolder left.

Solve the jigsaw puzzle in the old stone building.

Find the stone building in the forest glade.

Solve the recollections of the past book puzzle.

Persuade Henry to sell the book.