The Morbot Region is a place of flowing energy. The Morbots once lived here in the core. The energy tubes transporting energy that the reactors create.
Swarmers roam In this region leeching anything that has energy, attacking the reactors, Mils, droids anything that has energy.
The entrances to the Morbot Region have no doors and seem unopenable and the Mils dug down with a giant drill to get to the morbot region. The Mils proceeded to flood in and occupied the Morbot Region.