Star Cross: Stellar Edition

In an age before the beginning of the universe, a long dead civilization engineered a cure for their own end of days in the form of the Celestial End, a device with the power to remake all of existence into one singular visage.  By the nature of the device, it could not be destroyed, so the progenitors of the new universe safely tucked it safely away, so that no creature foolhardy enough could mak…