This refinery can turn unrefined $PLSR into refined $PLSR the main currency in the game. Unrefined $PLSR must be refined in order to be used as an energy source - an intense process that requires specialized tooling and machinery. The Pulsar Refinery is an essential component of any successful military force, as it allows you to turn your raw Pulsar crystals into the resources you need to build and maintain your army.