Langford’s Office

You arrive at Langford’s Office just in time to witness her death—Ryan gassed her just as he did the trees. He should have used a faster-acting agent however, as Langford was able to scrawl the number “9457” on the foggy window just before collapsing. This is your clue.

Objective 6: Search Langford’s Office Ryan has ruthlessly killed Langford, but she’s left a cryptic clue. Search Langford’s office for research notes that will make clear how you can revive the plants.

Langford’s office is a veritable treasure trove of nifty items, with the biggest prize being the Chemical Thrower sitting atop her desk. Now you have a use for all of that Napalm, Liquid Nitrogen, and Electric Gel you’ve been coming across throughout Arcadia. Not only can you control the dose and direction, but this allows you to effectively cast various plasmids even when you are out of EVE.

Search Langford’s corpse for a hidden Audio Diary and make your way across the room to the botanical illustration hanging on the wall. Pull back the framed poster to reveal a hidden wall safe.

Safe 

Contents: Lazarus Vector Formula Audio Diary, Market Key, 39 Dollars

Use the passcode Langford wrote on the window to open the safe hidden behind the poster on the wall. This safe contains the formula for the Lazarus Vector as well as the key to the Farmer’s Market area.

Objective 7: Invent the Lazarus Vector Langford discovered a way to use genetic engineering to revive dead plants. Her so-called “Lazarus Vector” should be able to reverse the effects of Ryan’s herbicide. To create the Lazarus Vector, you will need 7 units of Distilled Water, Chlorophyll Solution, and Enzyme Samples. Once acquired, bring all the ingredients to a U-Invent machine and make the Lazarus Vector!

Equip the Chemical Thrower and select the Napalm ammunition—it’s time to light it up! Head back through the glass corridor to the main Research Laboratories and ignite the Splicers milling about inside the lab before they get a chance to attack. Switch to the Electric Gel and hack the Security Camera and Turret in this area before searching the corpses, as a Houdini Splicer will be making an appearance any second. Use the Liquid Nitrogen ammunition to freeze the Houdini Splicer in its tracks, then shatter it with a blast from the Shotgun. Make your way back through the lab, across Rolling Hills, and to the Tree Farm area.

Objective 8: Go to the Farmer’s Market The Farmer’s Market has components you’ll need to create the Lazarus Vector. Langford’s safe had a key to the front gates, so you should be able to go there now. The entrance to the Market is beyond the Tree Farm.