Due to a broken bridge, Liberty Prime will have to cross through the water in order to continue. From that point on, you will encounter various enemies: raiders, super mutants (including one or two behemoths), and synths. As it reaches the East Boston Preparatory School, synths will be teleported to attack it. The player character must now follow Liberty Prime as it walks through the ruins of Boston to reach the Institute. ruins, with the Brotherhood of Steel personnel saluting it as it walks away. Liberty Prime will activate, leave the gantry and start walking towards the C.I.T.
After that, return to Ingram and press the button. Go to the top of the gantry and plug the agitator into Liberty Prime. She will now allow the Sole Survivor to power up Liberty Prime. After destroying the Railroad and getting the beryllium agitator, speak to Proctor Ingram at the Boston Airport.
