There Stands the Grass

There Stands the Grass is a side quest in Fallout: New Vegas.

Quick walkthrough

 * 1) Speak to Dr. Thomas Hildern at Camp McCarran.
 * 2) Enter Vault 22 and download the research data found there.
 * 3) (Optional) Find Keely, a researcher who has gone missing at Vault 22 - You will only get this optional quest if you speak to Dr. Williams. Keely can be found in the Pest Control area, accessed through the caves.
 * 4) After you talk to Keely in Pest Control, she will ask you to meet her at her base of operations on the second level.
 * 5) Find the vents Keely is pumping gas through and somehow ignite the gas.
 * 6) Return to Keely and let her know the spores have been purged.
 * 7) Return to Dr. Hildern at Camp McCarran with the research data+.
 * 8) Return to Camp McCarran and tell Dr. Williams that Keely is safe+.

Detailed Walkthrough
Note: Vault 22 is also involved in the side quests Still in the Dark, which is given by Elder McNamara in the Hidden Valley bunker, and Bleed Me Dry, which can be obtained by speaking to Red Lucy at The Thorn. It is recommended to trigger those before entering, in order to save time.

To start the quest, you speak to Dr. Hildern at Camp McCarran. Dr. Hildern can be found in his office located inside the Camp McCarran terminal building on the east side of the terminal in the south wing. After speaking to him, he will tell you that Vault 22 has data on its computers that will help him prevent a food shortage. He will give you the location to Vault 22 and ask you to enter and download the experimental data onto your Pip-Boy. Before leaving the base, make sure to speak to Angela Williams so you get the optional objective to find Keely, a researcher who went to the vault before and is now missing. You find out from Dr. Williams that Dr. Hildern has sent other people on his task but none of them have returned. If you speak again to Dr. Hildern before heading to Vault 22 and explore the speech options a little, you can demand that he double the caps he is paying you for the job (40 Speech is required).

The vault is easily found by following the map marker. Quite a few cazadores roam the area near the vault. There are large and colorful plants outside the entrance, and a sign saying, "Stay Out! The Plants Kill!". There are also 4 giant mantises hiding in the foliage. The door is permanently open and has a curtain of overgrown plants.

Inside the vault are numerous mantises and spore carriers hidden in plant beds. Spore carriers blend in with the vegetation and will not show up as enemies on your compass until you disturb them. On Level 5 - Pest Control there are spore plants who spit spike projectiles.

There are many password-free terminals throughout the vault which you can access to find some of Keely's notes and information on what became of the Vault's inhabitants.

Once inside you have the choice to repair the elevator (Repair 50) or walk the five levels by stairs. Since access to some staircases is blocked, repairing the elevator will make things easier.

If you have a Lockpick skill of 75 or higher, you can take the elevator directly to Level 5 - Pest Control and unlock the data bank room. If you haven’t repaired the elevator, or you don’t have a high enough Lockpick skill, or are also doing Still in the Dark and/or Bleed Me Dry, you will need to go to the Overseer's office on Level 4 - Common Areas. Follow the signs through the common areas to the Overseer's office where you will find a terminal (no password needed) that can be used to unlock the crew quarters, the data banks, and the cave entrance. (The crew quarters can optionally be unlocked with Lockpick 50).

Trying to disengage the cave entrance lock will give you the error message: “Override engaged at door site.” You will need to retrieve a keycard, which is located in the crew quarters (now unlocked via the Overseer's computer). The key card is in the first room on the left side of the hall as you enter the crew quarters, on a shelf to the right of the entrance. There are three spore carriers waiting inside. With the keycard, climb back up the stairs to Level 3 – Food Production (the stairs to Level 5 are blocked) and follow the arrows until you see a door to the caves. The keycard will access the adjacent terminal, where you can disengage the lock. The vault door to Pest Control will be down towards your left in the cave. Follow the arrow to the door.

(This cave also contains the entrance to another section of the Oxygen Recycling level where you can find the HEPA filters you need for Still in the Dark, and the mantis eggs you need for Bleed Me Dry. The mantis eggs will only spawn if you have started the quest).

Once you are on Level 5, you can access the data banks either by picking the lock or having disengaged it from the Overseer's office. At this point you can finish the quest by downloading the data and returning to Hildern, or, either with or without downloading the data, you can look for Keely (this will give you opportunities for additional XP, caps, and either positive or negative karma). To find Keely you must locate one of two entrances to the cave where she is stranded. The shortest route is through a room with a hard lock (Lockpick 75). Open this room and there will be a cave entrance. There are plenty of spore plants and mantises in the cave, even a family of baby mantises. Follow the arrows to find Keely. If you don't have a high enough lockpick skill, the room adjacent to the room with the hard lock has another cave entrance. The entrance is partly concealed by a computer wall panel that's been moved slightly from the wall. This route takes a bit longer.

Keely can be found at the far end of the caves. She is on the south end of the cavern sitting alone next to a mantis pod. She will ask you to meet her in her lab on Level 2 - Oxygen Recycling. If you haven't repaired the elevator yet, Keely will do so at this point, making your trips up and down a bit easier.

When you see Keely on Level 2, she will tell you about her plan to eliminate the contagious spores. She is pumping flammable gas through the vents on Level 5. She wants you to find the vents and ignite the gas, possibly without killing yourself in the process. There are several ways to achieve the intended outcome.
 * There is a duffle bag with frag grenades beside Keely in the room where you meet up with her on level 2 (Oxygen Recycling). To find the duffle bag turn right (west) after entering the room with Keely's terminal in it, it's in the corner on the floor.
 * On the bottom level of the common areas (where you found the overseer's office)there is a room marked "Utility", which contains a flamer in the far corner along with plenty of fuel.
 * Solutions
 * If you throw an explosive from the data room and then back up farther into the room, you will be fine. (Make sure to have unlocked the door from the overseer's office)
 * You can use a laser pistol and shoot near the vents, quickly closing the data room door afterward. Being in the data room will prevent all damage from the blast.
 * An atomic cocktail should allow you to withstand the flames with minor damage, although any followers may be momentarily knocked unconscious, or killed if you're playing with Hardcore Mode.
 * Alternatively you can fire/throw a grenade from the data room, then quickly move behind cover on the right of the room without closing the door.
 * You can also consume a turbo, shoot a laser at the vent from the end of the hall and simply run to the elevator (as the flames are slowed considerably by its effect).
 * Standing behind the gas, right where the vent is, doesn't do as much damage as standing in the hall, a high level character can survive this.
 * Another method is to use a time bomb, C-4 plastic explosive, etc. with a detonator or timer and drop it by the vents. You will have enough time to run to the elevator, wait for the thump of the explosion or detonate it, and then run through the elevator.
 * Another approach, stock up on stimpaks and hotkey them. Repeatedly pressing the hotkey fast enough will outpace the DPS dealt by the fire, but will burn through 10-20 stimpaks, depending on medicine skill.
 * It's also possible to crouch in the gap between two main frames, right of the main terminal in the data room and fire an appropriate weapon for setting off the gas.
 * Another method is to throw a frag grenade directly to the gas vents from the opposite side of the file cabinet blockade right next to the data room door. Immediately run to the room directly behind you with the purple lights, closing and moving away from the door.
 * Yet another method is to stand near the room with the cave entrance, at the end of the hall opposite the vents. Throw an explosive, then turn and run out into the cavern.
 * If you choose to use grenades to ignite the gas, long-fuse dynamite will provide you the most time to get to safety. The six-second fuse allows enough time to run back into either the data room or the room across the hallway, close the door, and move as far away from it as necessary.
 * Returning to Keely

When you return to Keely after igniting the gas from the vents, she will tell you that she intends to destroy the research data. If you have the files she'll discover they were downloaded. You have multiple options from here:
 * Tell her the truth and destroy the codes for good karma. If she lives you will get caps or Karma depending on what you bartered with Dr. Williams.
 * Tell her the truth and refuse to destroy where she will become hostile. Killing gives you her password to leave. Make sure to use her computer to unlock the door. This gives you NCR infamy.
 * Tell her the truth and refuse to destroy it, and flee the area. Go back in and she should be non-hostile again. Pickpocket the password from her.
 * Lie and let her live. You will lose karma for lying but gain it for saving her. This results in a net *gain* of about 50 karma.
 * With a Science skill of 70, you can keep the data while Keely remains alive. She will unlock the door for you and you receive positive karma. You must choose the speech option of telling Keely that Dr. Hildern sent you for the data in order to get the Science speech option.
 * If you are on the Veronica's companion quest I Could Make You Care, you will have another option to save the data without bloodshed. If you tell her Dr. Hildern sent you, you can say that your friend is part of a big organization that can use this data to help people. She will then state that you have given her no reason not to trust you and will open the door for you.
 * If you've already handed in the data to Dr. Hildern, Keely will tell you that the data should be deleted but will not confront you. This can result in a situation of being locked in the vault, to escape either pickpocket or kill Keely for her password, and use her terminal to open the locked door.
 * If you avoid Keeley's attacks and leave the room, unequip your weapon and then return, Keeley is no longer hostile. You can then pick her pocket you enter the code into the computer and leave successfully without harming her and with the data intact.


 * Returning to Dr. Hildern

After that, whatever you choose you must return to Dr. Hildern.
 * If you saved the data he will give you 1200 caps and you can get an additional 600 with a high enough Barter(50) or Speech(50) skill.
 * If you deleted the data, the quest will end with you informing Dr. Williams that Keely is safe or dead. Dr. Hildern will suspect that Keely was responsible for the data being gone. No matter what response you choose afterwards, he will suspect you as an accomplice and angrily demand that you leave the lab. You will earn 1200 xp for this ending.
 * If Keely died, you can tell Dr. Williams a lie with a speech check. You get 800 caps and lose Karma this way. If you don't, you won't get anything but you won't lose karma.
 * If you saved the data and saved Keely, speak to both Hildern and Williams to finish the quest. You will receive the amount of caps mentioned above from both, and 1500xp.

Behind the scenes

 * The title of the quest may be a reference to a 1953 country song "There Stands the Glass", performed by Webb Pierce.

Bugs

 * ED-E might disappear in the explosion and be lost indefinitely. To prevent this, save before you light the gas and make sure your companions are in a safe location.
 * If you have ED-E with you when you start, and have not gotten the second (possibly first) record log from ED-E, it may begin to play after talking to Dr. Hildern as you leave his room and before Williams talks, causing you to freeze in place and only able to look around.
 * Veronica, Boone, ED-E (unless ED-E has vanished by being caught in an explosion like the one in Vault 22), Arcade Gannon, Rose of Sharon Cassidy, Lily Bowen, and Rex turn up by the elevator every time after using it, even though they had been told to wait.
 * When detonating the gas, you don't need to close the door to the computer room. The fire doesn't enter, even though it's wide open.
 * Sometimes it becomes impossible to reach the Fifth level to burn all the spores. Every time you use the elevator to the Fifth level the game crashes to the desktop. The solution is pretty easy, leave your companions on the second level and complete the quest alone. That should prevent the game from crashing.
 * After rescuing Keely and going through the dialogue in which she tells you to meet her in her lab on the second floor, sometimes she will run to the elevator and go through an animation in which she is attempting to repair it. When you engage her in dialogue, she notes the good work you did in repairing it, but then instead of entering it, she walks into the food production tunnels nearby, and then aimlessly runs throughout them. If approached, she will engage in dialogue normally as if she is in her lab. If other bugs result in her disappearing (see above), you may want to check the food production tunnels for a possible location.
 * Occasionally, Keely may get stuck beneath the floor in 2nd level for no apparent reason. Using console commands seems to be the only remedy to this.
 * Sometimes, even if the door is closed, the explosion will still kill you, or it may knock your humanoid companion unconscious, but leave you intact.
 * if you shut both doors in the 5th level of the vault when igniting the gas, the flames will go through the door and you will die. Closing ONLY the door closest to the gas will keep you safe which doesn't make any sense at all
 * If you obtain the research data before starting the quest, giving the research data to Hildern upon starting this quest to complete it without leaving the room will result in the player character from being unable to move or interact with anything upon leaving the room and having Dr. Williams start up conversation, however she won't mention Keely as scripted because the quest has already been finished. This can be avoided by talking with Dr. Williams before completing the quest.
 * Sometimes the game glitches and you can continually pass Williams' speech check (35) for infinite experience by asking about her feelings on Dr Hildern.
 * After speaking with Dr Hildern, while leaving his office you may get stuck in place and can only look around.

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