Mondregon was not only capable of infect space ships, but also could extend itself to superpowered beings like the Aegean. Old and hungry, Mondregon tried to consume the Carrier. The shiftship could escape thanks only to the sacrifice of the High.
The second time than the Carrier found Mondregon was to escape from an hostile alien force on their trail. Engineer manouver the Carrier so their pursuers clashed against Mondregon, destroying each other.