Okay,I've managed to cut off lava flow to several major partions of this facility. I've brought you here though, because much of this ductwork has been infested with aliens, and I cannot be sure that I can keep the interlocks closed without their removal. Once you've cleared the area, continue on to the master control level. I have been working on re-entering the Diablo's neural network. It has been a difficult experience, because I was never trained for this kind of surreptitious work, but I've found mention of a weapons cache that the intruders hid somewhere in the ducts here. It might not be very easy to get to. I'm sorry for the ubiquitous lava- I haven't been able to bring the drains back online.
Use the pattern buffer and suit recharger to get yourself to the interlevel transporter. If you can clear all the aliens out from this area, I should be able to make it functional again. If you left any intruders alive on your first pass, you'll need to use the duct access transporter to reenter. I'll be waiting for you in the master control section.