5 2 0As all achievements, this achievement is story related, No need for a guide if you don't like spoilers. *** Spoiler - click to reveal ***At the start of this chapter, you will have to pick up a picture. You will get a password from it to see a video of Lady Arkham torturing Alfred. He will leave you some clues which you can obtain with the Batcowl. Investigate all 3 items in the first scene, then the waterboiler, then both clues, then the bus stop. This will get you an idea of what kind of house to look for. Select all 4 characteristics to get to 3 houses. Select the one on the right. Equip the batsuite 2.0 and head over to the house.Inside the house, you should see a blood trail on the left hand side going through the wall. Investigate that and then kick or push the wall. Afterwards open the hole and enter it. Investigate the drawings and the chalk on the floor. Then both the drawing on the left and the one on the right to link them. Once inside Arkham Asylum, this achievement will unlock.