Lily (Fallout: New Vegas)

Lillian Marie Bowen (aka Lily), born in 2078, is a 202 year old nightkin living in Jacobstown in 2281. She can be used as a test subject for the Mark II Stealthboy, and when she's your companion she gives the perk called Stealth Girl that increases Stealth Boy duration by 100% and increases damage dealt when performing a sneak attack by 10%. Lily seems to think that she is still a grandmother to several grandchildren and will mistake the Courier as one of her grandchildren during their first meeting (and continues to throughout their travels together).

Background
Though she now lives a peaceful life tending to bighorners in the community of Jacobstown, Lily was once a Nightkin in the Master's army. Before that, she was an elderly grandmother enjoying a simple life in Vault 17. Heavily medicated, Lily struggles with her dangerous schizophrenia and distant memories of her old life.

Given that the Master learned of other vaults when he conquered the Boneyard vault, it appears that she was captured and dipped between 2155 and 2161.

Interactions with the player character
When you go to Jacobstown and take the Guess Who I Saw Today quest you will have the opportunity to recruit Lily as a companion. Lily is geared towards sneaky characters; she's most adept at Melee Weapons. She also seems to be amazingly quick and agile during battle.

Lily frequently mentions someone named Leo. She will have conversations and even arguments with "Leo", insinuating that he drives her to do "bad things". In contrast to Lily's generally helpful and friendly personality, whenever she begins to exhibit violent tendencies she will blame Leo. Leo is her sword.

Quests
When Lily is a companion, if she is reduced to half of her hit points, she will suffer a "psychotic break" and will be in aggressive mode until it fades. The player is unable to give Lily commands or interact with her until this break subsides.

At a certain point, if Lily is the active Companion, the player may begin to hear a recording of children greeting their grandmother. This signals the start of Lily's unmarked quest.

To complete the quest, the player must listen to the entire recording and then open a dialogue with Lily. After asking her several questions and discovering that she has only been taking half the recommended dosage of her medicine, the player is given three choices:
 * Recommend that Lily begin taking the complete dosage. If this option is chosen, Lily will stop suffering psychotic breaks altogether, but will suffer some permanent combat penalties - these remain in effect regardless of her mental state.
 * Recommend that Lily continue to take half her dosage. If this option is chosen, Lily will suffer psychotic breaks only when she is reduced to one-quarter HP, and will calm herself immediately if the player enters Sneak mode.
 * Recommend that Lily stop taking her medicine altogether. If this option is chosen, Lily will continue to suffer psychotic breaks when reduced to half HP, but will gain several permanent stat bonuses - these remain in effect regardless of her mental state.

The player's choice will also have an effect on which game ending she receives.

Inventory

 * Lily can be very picky about what weapons she will use. She will not use any Unique weapons, nor will she equip a Thermic Lance or Chainsaw. She will equip a Super Sledge or Rebar club, both of which are slightly superior to her Vertibird Sword.
 * Lily's Assault Carbine also has a silencer attached to it

Appearances
appears in Fallout: New Vegas.

Bugs

 * Likewise with all companions on New Vegas, sometimes via script such as entering casinos will remove their "companion only" weapon. Upon leaving you will receive it in your inventory and can even use it, but if you happen to drop it on the ground, you cannot pick it back up when you click it -- it will only say "steal" with no weapon name shown.
 * In some instances Lily's Vertibird sword will glitch and become either a gun with the sword protruding from the barrel or the sword will be replaced entirely by the gun. she will not shoot with the gun however, she will continue to use it as a melee weapon. Opening her companion wheel and forcing her to switch between melee and ranged attacks a couple times will fix this glitch.
 * If fired as a companion and told to go to the Lucky 38 Casino, Lily may disappear temporarily but can be found back at the Casino a little later.If she is not found back at the Lucky 38 she could be where you told her to go to the Lucky 38 and will begin walking back once you get in range of her.
 * Sometimes when you go into stealth mode, Lily will say her normal line "Don't worry about me deary, your grandma knows how to stay quiet", but she will repeat it every 20-30 seconds.
 * After Lily loses her weapons when entering the casinos on the strip, she may not get them back when you leave. (This applies to first bug)
 * Lily can mention the Lucky 38 before becoming your companion.
 * Lily can equip super sledge but not the unique super sledge "Oh Baby!". She also can't equip energy weapons or any unique weapons.
 * If you dismissed Boone before taking Lily in the quest and enter a casino with Lily, Boone will have her weapons
 * After completing the quest Guess Who I Saw Today and letting Lily leave your companionship to be tested using the Mark II Prototype, you may still hear her say special phrases even if she is no longer your companion. (Not Verified-Uncertain if it is just a 1-time bug or not.)
 * Lily may not even show up but is said to have died at the end of Guess Who I Saw Today according to Doctor Henry
 * Lily will sometimes not move around in the Lucky 38 or interact with objects while she is not following you. For some reason she will not move at all and simply stand in one place near the elevator while the other companions walk around and do things like sleeping and sitting in chairs.
 * When fast traveling to Jacobstown she might get stuck in a rock about half way down to the ski lodge.
 * Like with some other companions, the 1st recon in McCarran will sometimes shoot Lily without a reason
 * If the player has employed Craig Boone as a follower prior to traveling with Lily, Boone will instantly obtain a copy of her Assault Carbine when she equips it for the first time.
 * Sometimes, when you go back to your suite at the Lucky 38, If you sent Craig Boone, Rose of Sharon Cassidy, and Arcade Gannon there, and also sent Lily, when you go back to the suite, all three of them will start attacking her. Sometimes only one of them attacks though. If you quickly recruit her before she goes into combat, and your not on hardcore mode, she won't die.
 * After the non violent (not killing Tabitha) completion of Crazy, Crazy, Crazy, Lily may run away from you, making it impossible to talk to her about what just happened with Tabitha.

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