If you ask Tulip about the history of Underworld, then she'll give you a copy of Paradise Lost, which you can read to improve your speech skill. She'll have lots of weapons and armor for sale, including However, chances are that Cerberus won't notch many kills before being put down by the ghouls. If you have the Robotics Expert perk, then you'll be able to remove Cerberus' combat inhibitor, which will allow him to attack the ghouls. Cerberus is a robotic watchdog for the ghouls, but he doesn't like them very much. Quinn is a scavenger for the ghouls, and he'll tell you that he spends most of his time in the wasteland (not that you'll ever see him leave the lobby), and so he's comfortable around 'smoothskins' like you. You'll usually find Quinn and Cerberus loitering in the lobby. Nikola Tesla and You from the floor in one of the stalls.