Area
Midgar No. 1 Reactor
Connections
Bottom of Ladder
Treasures
Assault Gun, Restore Materia
Boss
Guard Scorpion
There are no random Encounters on the approach to the Reactor Core. You can find a useful Restore Materia here, but unfortunately you can't actually use it… yet. Approach the reactor valve for some exposition and your first boss fight, with the Guard Scorpion.