Veni, Vidi, Vici

 is a quest in Fallout: New Vegas.

You are asked if you are ready for the final fight and if yes is chosen you are moved to the legate's camp. After some dialogue with the legate, you will storm the Hoover Dam, where your mission is to kill General Oliver. The fight consists of getting through four areas of the Dam with the various factions you have befriended helping you. You will confront the general and with a speech check of 85 you can convince him not to fight. Assuming you are going to kill him head to the final area which is a room full of traps with a platoon of NCR Veteran Agents. Up the stairs the general is in the room ahead waiting for you with several Heavy NCR Troopers. After killing them kill the general. Leave the room and the Legate will congratulate you for your job spilling blood and the game will end. Afterward, you will be reverted to your last save (unconfirmed).

Detailed walkthrough
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Behind the scenes

 * "Veni, vidi, vici" is Latin for "I came, I saw, I conquered," a phrase Julius Caesar said after he conquered a place in modern day turkey known as "Pontus".