World Rot: Path of the Planet Eating Virus

During the latter half of the 25th century, at the climax of Terrace exploration into the outer clusters of their home front spiral galaxy, a distressing behavior crept its way inward from the farthest star clusters. A mysterious force dubbed the Rot by Terrace explorers was killing whole worlds, eating them from the inside. On a space station near the edge of the galaxy, Terrace watched.