The Starlost Saga featured the battle between Nova (Rich Rider) and Supernova. After their battle which resulted in the loss of Rich Rider's powers to Garthan Saal (Supernova), Rich began a mission to regain his powers from his enemy. During the course of their rematch, the two men merged into an energy being with Rich in control of the body. Rich's will and spirit overcame the overwhelming power of the Nova Force which threatened his sanity.

At the conclusion of the story arc, Rich releases the power into Xandar's WorldMind and completes the resurrection of the domed world of Xandar. The Starlost Saga ran in New Warriors #40-#42 v1.