The girl who would one day be named Monstress lived a pampered life in the planet Xanthu in the latter half of the 30th century. Candi Pyponte-Le Parc III would be shocked to discover that her beloved father had impoverished workers in his labor farms which numbered in the hundreds. Candi's appearance would be radically changed when a gene altering bomb exploded in one of her fathers plants, transforming her into a green hued giantess. Discovering super strength and invulnerability Candi adopted the name Monstress and joined Xanthu's Uncanny Amazers. Monstress was recruited into the Legion of Super-Heroes, as were her fellow teammates Kid Quantum and Star Boy, after a savage battle against the evil sorcerer Mordru. Then the Blight would come to attack Earth and Monstress and ten other Legionnaires would be transported by a temporal rift to the far side of the galaxy. Her unfortunate death would come at the hands of a former fellow Legionnaire and friend Element Lad, now calling himself the mad Progenitor.