History
According to legend, Nova and the other guardians were ancient Skrull deities that, having fed on the energies drained by Galactus, swore eternal loyalty to the world eater.
After so long, the guardians had seemingly developed a symbiotic relationship with Galactus, dying when the vast creature itself expired.[1]Attributes
Powers
Presumably those of Frankie Raye (Earth-616) along with gigantic size and physical ability.