Dead Space 2 Walkthrough - Chapter 10: Part 4
7Full Walkthrough: http://www.gamefront.com/dead-space-2-walkthrough/
You'll reach an elevator next. At the top, use Kinesis to slide over a small bridge piece so you can cross to the other side of the room. Kill the lurker you encounter and be on guard for a scorpion necromorph that's about to ambush you in a moment. Grab loot and move the bridge back so you can cross to the lift.
On the ground, you'll see a necro run through that coursing electricity and get annihilated. You're going to want to not do that. Lower the lift and two more scorpions will attack you, one after the other, on the lower floor.
POWER NODE: From the lift, follow the wall on your right (not toward the electricity) and you'll find a door. Inside is a blue Power Node panel straight in front of the door when you enter.
You can't cross the electricity until you pull that battery out from the wall. As soon as you pull the battery, however, two black slashers and a black scorpion will ambush you. So try this: stand in front of the battery, pull it, and then immediately replace it. That'll kill the electricity back on and may save you the trouble of fighting some or all of the necromorphs.
TIP: Check inside the hole generating all the electricity for a Ruby Semiconductor (at least on Normal mode).
Once you've killed everything, pull the battery and cross over to the other side of the room. You'll find a Bench there, as well as a Power Node room you can open for some loot. I found a good deal of health packs in there, although I was nearly dead when I opened it, which could have had an effect.
Full Walkthrough: http://www.gamefront.com/dead-space-2-walkthrough/
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