First encountered in Mission 41: Desert Sun (Chapter 8).
Item Drop
- Mech Barrel
- Mech Armor
- Mech Valve
- Mech Reactor
- Mech Cogwheel
- Mech Crystal
- Pollux Core
Pollux Z
First encountered in Mission 69: Noble of the Abyss (Chapter 10).
Item Drop
- Mech Barrel
- Mech Armor
- Mech Valve
- Mech Reactor
- Mech Cogwheel
- Mech Crystal
- Mech Brain
- Mech Condenser
- Pollux Core