Trinowarg, the Demon Emperor

Ever since the beginning of civilization, there had existed a dark and terrible realm known as the underworld, where countless demons dwelt and on occasion invade the land of mortals, but there were always the mighty Dragon Knights to defend the innocent and keep the hoards at bay, until one of them rose beyond the rabble rallying them and forging an empire, this one tyrant was the vile Trinowarg, he organized his minions and laid waste to the land of the mortals one kingdom at a time, until he came across the land of Cynlasgate. He would have defeated mankind of eternity if not for the efforts of the King and his brave Knights, despite their best attempts, the Knights couldn't defeat the demon, but merely trap him in his realm and scatter the five dragon gems beyond his reach. Now his hoards threaten the modern day world, but the five dragon Knight Power Rangers of today stand strong ready to defend their homes.