
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.

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. Oliver and the NCR Veteran Rangers with him flee to the second floor as several rank-and-file NCR troopers attack the player. With a Speech check of 100, the player character can convince him to retreat for the sake of his men. When the player character enters the compound, General Oliver immediately initiates dialogue. 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. 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.

NCR snipers are positioned atop inaccessible towers and must be killed from a distance. 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. The player character must fight their way along Hoover Dam to the entrance to the visitor center. The Courier must then follow the path of the legionaries, past the gate from the Legate's camp to 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 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. 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.
