Engineer Drone ★★★
Engineer Drone ★★★ is a rare fiery throwable item.
A massive technical drone able to repair anything, even itself. Slightly more resistant to fire and 
ice.
And while repair and construction are this drone’s main functions, it can put up quite the fight.
Ingame
Species descriptions:
- Alta: Such an irreplaceable thing when it comes to building esetera labs, as well as astera ones. Huge and amazing!
Radiomessages on pickup:
- Seems like you’ve acquired an Alta Robotic, or simply a Drone Spawner. You can activate it to deploy a friendly drone (or droid). Unfortunately, you won’t be able to further control it or deactivate it back.
Parameters
Drone Spawner
Constantly spawns 
minidrones. Will explode with electric particles on destruction.
It’s hard to imagine all these tiny drones are being constructed on the fly.
Enviro Drone
Has status effects: 
Sensitive Electronics and 
Force Field Autoshielder and 
Enviro Protection.
Deals physical damage on touch.
This drone was developed to operate in unsafe conditions.
Sources
Can be bought from merchants:
Can be obtained via 
Spawnable Item Pack or 