They were tasked to rescue the Princess of Cornelia, Sarah, from the clutches of Garland in the Chaos Shrine this was a past incarnation of the Garland the Warrior had fought in World B. The Warrior became one of four heroes that were known as the 'Warriors of Light'. When Cosmos and Chaos were destroyed, Cosmos' champions appeared in a field outside of Cornelia in World A, and while nine of them soon faded away to return to their own worlds, the Warrior remained and set off to Castle Cornelia in the distance. Over several cycles of battle, the Warrior developed his own will and personality, and became a stalwart defender of Cosmos. The two fought over him and Prishe prevailed, and took the Warrior to Cosmos where he was anointed as one of her champions. The Warrior was found by Prishe and Garland, the latter of whom recognized the warrior. To see how his creation fared, Cid placed it in World B for the summoned warriors to find. After several failed attempts he succeeded the manikin he created did not have its body crystalize like the others, but he saw no will in its eyes and attributed this to an incomplete memory infusion. Cid wished to experiment on manikins to see if one could be imbued with sentience by infusing it with his own memories. The Warrior of Light was created by Cid of the Lufaine, during the war between Cosmos and Chaos in World B.

Final fantasy 1 warrior of light