Tau Star System

The Tau Star System (タウ星系) was the other dimension from which the Death Busters originated in the anime, manga, and Crystal. The Death Busters were trying to restore the Tau Star System's power by consuming hoste energy and attempting to move the Tau Star System to Earth in order to invade it.

Trivia

• Tau is a letter of the Greek alphabet and is used to signify a number of different things. Some fans believe that the Tau Star System's name was a reference to the star Tau Ceti, but nothing conclusive has ever been stated in canon.