In this room you will find the Line Racks Schematic behind the pallet of crates in front of you (as you enter). Enter the next room through the door at the end of the hallway in front of you on the left. Behind you you’ll find 10000 credits and 4 random pieces of ammo. Make your way through the duct, turning left and left again, before the ceiling gives out and you fall into a small storage room. Optionally you could purchase some Stasis Refills, just in case you run out or you can’t be bothered to wait for it to recharge :) Enter the air duct via the entrance to the left of the Save Station. A newly purchased Line Gun comes with 5 rounds, which is ample for the achievement and it is not necessary to upgrade it in any way. You will need at least 9000 credits on-hand (or sufficient ammo if you have already have it), alternatively you could just sell something. Unless you plan on keeping the Line Gun, I would recommend that you make a save before purchasing it. Use Kinesis (LT+B) to move the ‘pillars’ out of the way to expose the Save Station.

The main room contains a Workbench, and a Save Station and duct entrance concealed by three ‘pillars’ with Kinesis Grips, suspended from the ceiling via a rail. About midway through Chapter 5, right after you deactivate the Gravity Core, you’ll find yourself in a small room with a Shop that is separated from the main room by a small hallway.

With that in mind, I will start at the last opportunity you will have to make purchases. It will make the achievement MUCH easier. Obviously you will need to purchase the Line Gun (9000 credits) before attempting this and although not strictly necessary, a full Stasis bar is definitely recommended.

The first chance you’ll get to acquire this is in the latter half of Chapter 5, just before you enter the Unitoligist ‘cathedral’.

Dead space 2 achievements for chapter 5