Null circuit

The Null Circuit is a Protoss structure in StarCraft II. It enables the Robotics Facility to warp in Observers and Reavers and is also the center for their upgrades and upgrades for the Phase Prism.

The Null Circuit researches the Gravitic Booster upgrade, which increases an Observer's speed. It researches the Gravitic Drive upgrades which increases a Phase Prism's speed and it researches an upgrade to Scarab damage.