Watch more Mass Effect 3 Walkthrough videos: http://www.howcast.com/videos/503504-... Check out part 69 and go down to the Quarian homeworld, Rannoch, and destroy the Reaper Base in this walkthrough of Mass Effect 3. Geth VI: Shepard, Commander; hostile Geth are closing a blast shield over the base. EDI: The Normandy main battery requires several hours. Geth reinforcements coming in, from above. Understood. Tali: Understood. Watch out! Crossfire on the left side balcony. Shepard: Affirmative. Tali: Got it. On it. Right. Geth VI: Shepard, Commander; do you need assistance? Shepard: We'll get through. What's your status? Geth VI: The old machine system upgrades have enabled us to corrupt security routines. We are slowing down. Shepard: Keep it up. We'll get to the blast shield controls. EDI: The reaper upgrades are very effective. Tali: That thing has it's own agenda. I don't trust it. Shepard: We need it right now. Afterwards, we'll see. Admiral Gell: Admiral Gell, to all ships; we've got Geth frigates inbound on the civilian fleet. Man: [inaudible 00:03:02] here, civilian defenders on intercept course. We'll hold them, Gell. EDI: I will. Shepard: All right, I've hit the override. Geth VI: We have gained system access and are bypassing security. Stand by. EDI: Understood. Tali: Right. Right. Understood. EDI: Understood. Tali: Understood. EDI: Right. Geth VI: We have bypassed security, but disabling the blast shield requires manual input. We have enabled a console near your position. Shepard, Commander; you have successfully opened the blast shield doors. Shepard: Good, we'll be back out in a minute. Geth VI: Negative. The path behind you has been sealed. A nearby elevator can take you to the upper level. From there, you should have an acceptable line of sight for targeting. Tali: On it. EDI: Understood. Tali: Got it. Got it. Understood. Geth VI: We have sent you the map point with a new targeting location. Woman: [inaudible 00:07:33], to all ships; the [inaudible 00:07:36] fleet has broken the Geth flank. Permission to pursue. Admiral Gell: Granted. Good hunting, [inaudible 00:07:43]. Tali: Geth Prime. I guess they really don't want us up here. Got it. Right. EDI: Doing it now. Geth VI: Shepard, Commander; we detect no more Geth in your immediate area. Reinforcements are minutes away. Shepard: You getting anything from the base? Geth VI: No. The old machines have not registered us as a threat. We recommend haste. The Creator fleet will be overrun, unless you sever the Geth connection to the old machines soon. Tali: This battle was centuries in the making. Finally it will end. EDI: And what comes next, Shepard, once the Geth are disconnected? Shepard: First things first. EDI: Normandy's weapon systems are ready to sync to your target. I recommend you withdraw to a safe distance. Target locked. Shepard: Reaper! Geth VI: We have located transportation. Shepard: Copy that. Everybody get to the ship. Move! Tali: [inaudible 00:10:15], it's huge. Shepard: Go! Tali: How are we supposed to fight that thing? Shepard: I was hoping your fleet might let us know. Geth VI: We will attempt evasive maneuvers. Shepard: Shepard to [inaudible 00:10:51] a live reaper. I need a [inaudible 00:10:55] strike. We're clear, fire at will!