AlienCore is a part of alien technology that can be found in Aliens, it is very strong compared to Neutronium and cannot be resized. It can be used to craft advanced technology such as Obelisk, Railgun, DarkReactor, SolarScoop etc.
Description
"A mysterious piece of technology found within many robotic aliens. Although its precise function is unknown, it manages to be extremely useful in advanced technologies. It seems to emanate raw power on its own, but only these robotic constructions seem to know. Generally, more powerful aliens will utilize more alien cores."