Big Brained

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Category	Special
DLC Required	Old World Blues
Name	Big Brained
Unlock Conditions	Sink Auto-Doc after Old World Blues is finished.
Ranks	1
Benefit	Head cannot be crippled +10% resistance to chem addiction +10% DT (min +1)

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Base ID	xx015bba
Command	Use the command player.addperk [Base ID] to give yourself the perk.
Example	The command player.addperk xx015bba will give you the Big Brained perk.
Opening the Console	To open the console in Fallout New Vegas, press the ~ key while you are in the game. This key is usually to the left of the 1 key and below the Esc key. Enter the cheat command then press the Enter key.

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Category:
Special
DLC Required:
Old World Blues
Unlock Conditions: Speak with Doctor Klein in the think tank.
Ranks:
1
Benefit: Cannot be poisoned
Healing items are boosted by +25%
-50% critical chance for robts
Base ID: xx0098c2

Category:
Special
DLC Required:
Old World Blues
Unlock Conditions: Sink Auto-Doc after Old World Blues is finished.
Ranks:
1
Benefit: +50% poison resistance
Healing items are improved by 50%
Robots have -25% critical chance
Base ID: xx015bbb

Category:
Special
DLC Required:
Old World Blues
Unlock Conditions: Speak with Doctor Klein in the think tank.
Ranks:
1
Benefit: Head can no longer be crippled
+25% resistance to chem addiction
+5% DT (min +1)
Base ID: xx0098be

Category:
Special
DLC Required:
Old World Blues
Unlock Conditions: Kill two cazadores for rank 1, three for rank 2, and an additional five for rank 3. Make all kills in the Big MT.
Ranks:
3
Benefit: +10% damage done to cazadores
Base ID: xx00da28

Category:
Special
DLC Required:
Lonesome Road
Unlock Conditions: Leave behind ED-E in Ulysses' Temple.
Ranks:
1
Benefit: +10% damage
+10% V.A.T.S. hit probability if you have no companions
Base ID: xx00a6dc

Category:
Special
DLC Required:
Dead Money
Unlock Conditions: Speak with Dean Domino.
Ranks:
1
Benefit: Receive Sierra Madre martini recipe. You can create the martini with 2 junk food, 1 tin can, and 1 jar of Cloud residue.
Base ID: xx01039e

Category:
Special
DLC Required:
Dead Money
Unlock Conditions: Give holomessage from Elijah to Veronica.
Ranks:
1
Benefit: +150% Boost in Veronica's melee attack speed
25% probability to Veronica for melee attacks to knock down enemies
Base ID: xx00d4a8

Category:
Special
DLC Required:
Dead Money
Unlock Conditions: Speak with Dog.
Ranks:
1
Benefit: Ghost people are more likely to die without needing to be dismembered or disintegrated
Base ID: xx01039a

Category:
Special
DLC Required:
Dead Money
Unlock Conditions: Keep holomessage from Elijah after it is unlocked by Veronica.
Ranks:
1
Benefit: +50% Boost in melee critical damage
Base ID: xx00d4a9

Category:
Special
DLC Required:
Lonesome Road
Unlock Conditions: Launch nuclear missiles at both NCR and Caesar's Legion.
Ranks:
1
Benefit: +1 SPECIAL point, Boomers and Powder Gangers Fame, Caesar's Legion and NCR Infamy
Base ID: xx00c25a

Category:
Special
DLC Required:
Lonesome Road
Unlock Conditions: Stop the missile launch.
Ranks:
1
Benefit: +1 SPECIAL point, Brotherhood of Steel and Followers of the Apocalypse Fame
Base ID: xx00c25c

Category:
Special
DLC Required:
Dead Money
Unlock Conditions: Speak with Christine.
Ranks:
1
Benefit: Receive Sierra Madra chips recipe. Using 1 fission battery and 2 scrap metal, you can create 50 Sierra Madre chips.
Base ID: xx01039b

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More Perks