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Good. "In hoc signo taurus vinces." Report to Legatus Lanius immediately - he'll brief you on the plan of battle. Come back victorious, or don't come back.Caesar

Veni, Vidi, Vici is an achievement/trophy and final main quest in Fallout: New Vegas if the Courier chooses to side with Caesar's Legion.


Caesar tried to capture Hoover Dam before, but this time his Legion has the advantage and will push the New California Republic, and anyone else who opposes them, out of the Mojave.

Quick walkthrough

Quest: Veni, Vidi, Vici
Cross the dam and make your way to the western power plant.
(Optional) Take out the snipers who've taken up position in the western portion of the dam.
(Optional) Release the waiting Legion reinforcements inside the intake tower.
Find the enemy commander, General Oliver.
Kill General Oliver and the soldiers guarding him.
Return to the Legate and tell him that General Oliver has been killed.
End Game

Detailed walkthrough

First, to initiate the quest, the player character must have finished Arizona Killer and by then have access to start "Veni, Vidi, Vici" which is a final test that results in the Legion attaining victory and control of the dam and New Vegas with the rest of the Mojave. The Courier will start off in Legate's camp, and must make their way to the Legate's war tent where Lanius will open conversation with them, before the attack on the dam. After the conversation with Lanius, the Courier will be summoned outside the tent where they will witness dozens of legionaries preparing to attack and then march towards Hoover Dam. The Courier must then follow the path of the legionaries, past the gate from the Legate's camp to the dam.

The player character must fight their way along Hoover Dam to the entrance to the visitor center. Along the way, if the player character completed the quests For Auld Lang Syne and Volare!, the Enclave remnants and Boomers will arrive to assist the player character. NCR snipers are positioned atop inaccessible towers and must be killed from a distance. Near the visitor center, a handful of Great Khans will assist the player and the Legion if the player character did not break their alliance with the Legion in the quest Oh My Papa. At the visitors center, the player character must enter the Hoover Dam power plant 01 area and fight their way past NCR's forces to the 04 power plant, where the entrance to Oliver's compound can be found.

When the player character enters the compound, General Oliver immediately initiates dialogue. With a Speech check of 100, the player character can convince him to retreat for the sake of his men. All other options result in a fight. Oliver and the NCR Veteran Rangers with him flee to the second floor as several rank-and-file NCR troopers attack the player. The player character must navigate the floor, which includes several force fields that cannot be passed, to reach the balcony where the stairs to the second floor are. Here the player character must defeat the two Veteran Rangers, and the floor is heavily booby-trapped with numerous grenade bouquets and bear traps, among other dangers. At the end of the room, one will find the stairs to the third floor, where Oliver ambushes the player character with several NCR heavy troopers.

When Oliver and all the NCR soldiers in the compound are dead, the player character is given the objective to report to Lanius. He will appear before the player character upon leaving the compound, congratulating the Courier on seizing the dam for the Legion and telling them they will be rewarded for winning the Mojave. The ending slideshow then plays.

Quest stages

10 Cross the dam and make your way to the western power plant.
11 (Optional) Take out the snipers who've taken up position in the western portion of the dam.
12 (Optional) Release the waiting Legion reinforcements inside the intake tower.
20 Find the enemy commander, General Oliver.
30 Kill General Oliver and the soldiers guarding him.
40Quest finishedReturn to the Legate and tell him that General Oliver has been driven off.
41Quest finishedReturn to the Legate and tell him that General Oliver has been killed.

Behind the scenes

  • "Veni, vidi, vici" is Latin for "I came, I saw, I conquered" and was written Julius Caesar in a letter to the Roman Senate, describing a recent successful campaign that only took five days. The phrase is used to refer to a swift, conclusive victory.
  • "In hoc signo vinces" is likewise Latin for "In this sign, you will conquer." It was most famously uttered by Emperor Constantine, the first Christian Emperor, who saw the sign of the Cross in the sun and uttered the phrase. By splicing in "Taurus" Caesar is exhorting one to conquer for the symbol of the bull.
  • If Arcade Gannon is following as a companion, he will leave upon arriving at the Legate's camp. Attempting to talk to him again will result in him saying "Why don't you make like Odysseus and get lost?" This is a reference to Homer's The Odyssey in which Odysseus (Ulysses) traveled for ten years across the Aegean Sea, trying to return to his home island of Ithaca following the Trojan War, but gets lost and side-tracked numerous times along the way.


  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 After leaving the Legate's tent, the gate to the dam will not open and the player character will be unable to fast travel thus they are unable to complete the Veni Vidi Vici quest and finish the game. [verified]
  • Playstation 3Playstation 3 When entering the Hoover Dam area with Rex and Cass or Rex and Lily as companions, both automatically go unconscious. [verified]
  • Playstation 3Playstation 3 Raul randomly dies when attempting to enter Hoover Dam from the Legate's camp. Waiting for an hour as soon as one walks through the door may prevent this. [verified]
  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 The terminal to release the Legion Centurions inside the Hoover Dam Intake Tower 01 may not appear. [verified]
  • Xbox 360Xbox 360 If the player character chooses to wait before entering the Legate's camp, they might not be brought to the camp when they finally choose to go. Instead, it will simply bring up the prompt, and then not do anything after choosing "yes". [verified]
  • PCPC Xbox 360Xbox 360 After talking to Legate Lanius, the screen will fade to black, but instead of the player character exiting Lanius' war tent, they remain inside, unable to move or interact with the world, making it impossible to complete the quest. [verified]
  • Playstation 3Playstation 3 Xbox 360Xbox 360 During the confrontation with General Oliver, after killing him and all his guards the quest will not move on to tell the player character to exit the room. Despite searching every area for any lingering enemies no red tick(s) will appear. Simply load a save from before the conversation with General Oliver and try again. [verified]
  • Playstation 3Playstation 3 Xbox 360Xbox 360 After killing General Oliver and the rest of his troops, the game will prompt one to exit through the first floor. The game may freeze (leaving you inside the room) when activating the door. [verified]
  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 During the confrontation with Oliver and his troops the player character must navigate through a room full of mines, tripwires, and other traps. If the player quicksaves and quick loads all the mines previously detonated will detonate again. [verified]
  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 It is possible for an NCR ranger to become friendly in the office trap area. They will flee from the player character, making the objective of killing all NCR soldiers much more difficult. [verified]
  • PCPC Playstation 3Playstation 3 Xbox 360Xbox 360 When the player exits Oliver's compound, Lanius appears outside along with several guards. If Oliver is driven off, then pursued to second floor and killed, it is possible that the player will be stuck while Lanius chases after NCR respawns. There is no known fix for this bug. [verification overdue]
Main quests
Act 1Ain't That a Kick in the Head · Back in the Saddle · By a Campfire on the Trail · They Went That-a-Way · Ring-a-Ding-Ding!
Act 2Wild Card (Wild Card: Ace in the Hole, Change in Management, You and What Army?, Side Bets, Finishing Touches) · The House Always Wins (I, II, III, IV, V, VI, VII, VIII) · Render Unto Caesar · Et Tumor, Brute? · Things That Go Boom · Kings' Gambit · For the Republic, Part 2 · You'll Know It When It Happens/Arizona Killer
Act 3No Gods, No Masters · All or Nothing · Veni, Vidi, Vici · Eureka!
Side quests
New California RepublicAnywhere I Wander · Back in Your Own Backyard · Bitter Springs Infirmary Blues · Boulder City Showdown · Can You Find it in Your Heart? · Climb Ev'ry Mountain · Don't Tread on the Bear! · Emergency Radio · Eye for an Eye · Flags of Our Foul-Ups · Hard Luck Blues · I Don't Hurt Anymore · I Put a Spell on You · Keep Your Eyes on the Prize · Medical Mystery · No, Not Much · Pressing Matters · Restoring Hope · Return to Sender · That Lucky Old Sun · The White Wash · There Stands the Grass · Three-Card Bounty · We Will All Go Together · You Can Depend on Me
Caesar's LegionBeware the Wrath of Caesar! · Caesar's Favor · Caesar's Foe · Caesar's Hire · Cold, Cold Heart · I Hear You Knocking · The Finger of Suspicion · We Are Legion
The StripBeyond the Beef · Bye Bye Love · Classic Inspiration · How Little We Know · Pheeble Will · Talent Pool · The House Has Gone Bust! · The Moon Comes Over the Tower
Freeside & Outer VegasBirds of a Feather · Bleed Me Dry · Debt Collector · G.I. Blues · High Times · Someone to Watch Over Me · The Coyotes · Wang Dang Atomic Tango
BoomersAnt Misbehavin' · Sunshine Boogie · Volare! · Young Hearts
Great KhansAba Daba Honeymoon · Cry Me a River · Don't Make a Beggar of Me · Oh My Papa
Powder GangBooted · I Fought the Law · Run Goodsprings Run · Why Can't We Be Friends?
Brotherhood of SteelEyesight to the Blind · Still in the Dark · Tend to Your Business
OtherCome Fly With Me · Crazy, Crazy, Crazy · Ghost Town Gunfight · Guess Who I Saw Today · Left My Heart · My Kind of Town · The Legend of the Star and A Valuable Lesson · Unfriendly Persuasion · Wheel of Fortune
Companion questsED-E My Love · For Auld Lang Syne · Heartache by the Number · I Could Make You Care · I Forgot to Remember to Forget · Nothin' But a Hound Dog · One for My Baby
Unmarked questsA Bit of Slap and Tickle · A Final Plan for Esteban · Access Powers · All Fired Up! · An Ear to the Ground · Andy and Charlie · Arachnophobia · Arizona Scavenger · Barton the Fink · Bear Necessities · Big Winner (Atomic Wrangler, The Gomorrah, The Tops, Ultra-Luxe, Vikki & Vance) · Bounty Killer (I, II) · Brotherhood Bond (I, II) · Caching in at the Cove · Cajoling a Cudgel · Claws Mended · Claws Out · Dealing with Contreras · Defacing the Humble Stone · Democracy Inaction · Don't Poke at the Bear! · Eddie's Emissary · Exhumin' Nature · Fight Night · Flogging a Dead Corpse · Friend of the Followers · Gland for Some Home Cooking · Harder, Better, Faster, Stronger · Hat's Entertainment · Help for Halford · Hidden Valley computer virus · Highway to the Danger Zone (I, II) · Honorary Rocketeer · I Love Bananas · Iron and Stealing · Keith's Caravan Charade · Laurifer Gladiator · Lenk's Bad Debts · Lily and Leo · Long-Term Care · Malleable Mini Boomer Minds · Maud's Muggers · Meeting an Equal · Missing a Few Missiles · Most Wanted · Not Worth a Hill of Corn and Beans · Old School Ghoul · A Pair of Dead Desperados (I, II) · Papers, Please · Pistol Packing · Playing on the Old Joana · Poor Meat Never Makes Good Soup · Powder to the People · Power to the People · Razzle Dazzle! · Reach for the Sky, Mister! · Rest and Resupply · Ringo's Caravan Rules · Rotface's Loose Lips · Saving (or Savaging) Sergeant Teddy · The Screams of Brahmin · Silus Treatment · Short-Term Treatment · Smooth-Talking Criminal · The Star Showdown · Strategic Nuclear Moose · Straus Calls · Strip Search · Suits You, Sarah · Tags of Our Fallen · A Team of Moronic Mercenaries · Thought for the Day · Tourist Traipse · Trudy's Radio Repair · A Trusted Aide · Useless Baubles or Fancy Trinkets? · We Must Stop Beating Like This · We Must Stop Meeting Like This · Wind-Brahmin Wrangler · You Gotta Break Out a Few Eggs · You Make Me Feel Like a Woman
Add-on quests
Dead MoneySierra Madre Grand Opening! · Find Collars (8: "Dog", 12: Christine, 14: Dean Domino) · Fires in the Sky · Strike Up the Band · Mixed Signals · Trigger the Gala Event · Put the Beast Down · Last Luxuries · Curtain Call at the Tampico · Heist of the Centuries · Big Winner, Sierra Madre
Honest HeartsA Family Affair · Arrival at Zion · Bighorners of the Eastern Virgin · Chaos in Zion · Civilized Man's Burden · Crush the White Legs · Deliverer of Sorrows  · Departing Paradise · Flight from Zion · Gathering Storms · Gone Fishin' · Happy Trails Expedition · Prisoners of War · Retake the Bridge · River Monsters · Rite of Passage · Roadside Attraction · Sanctity of the Dead · The Advance Scouts  · The Treacherous Road · The Grand Staircase · Tourist Trap
Old World BluesAll My Friends Have Off Switches · A Brain's Best Friend · Coming Out of Her Shell · Field Research · He Came... And Went · Influencing People · Midnight Science Fiction Feature! · Old World Blues · On the Same Wavelength · Picking Your Brains · Project X-13 · Sonic Emitter Upgrade · Welcome to the Big Empty · What's in a Name? · When Visitors Attack! · X-2: Strange Transmissions! · X-8 Data Retrieval Test · X-8: High School Horror! · X-13: Attack of the Infiltrator!
Lonesome RoadThe Reunion · The Silo · The Job · The Launch · The Tunnelers · The Divide · The Courier · The End · The Apocalypse