65 million years ago, the immensely powerful Warfare Tribe Druidon reigned over Earth. The tribe abandoned the planet when a gigantic meteor approached, vowing that they would return as the rulers of the world again as they headed into space.
The Ryusoul Tribe who battled against the Warfare Tribe Druidon stayed on Earth, along with their dinosaur companions, the Kishiryu. The Ryusoul Tribe withstood the ice age brought on by the gigantic meteor. They placed their Kishiryu companions into the RyuSouls and sealed them in temples throughout the world.
Time has moved on and the Warfare Tribe Druidon has returned after fighting in harsh environments across space, totally increasing their powers. The Ryusoul Tribe that kept the Earth safe in the past has selected new knights: the Ryusoulgers. They have been revived by their mission as the battle against the Warfare Tribe Druidon begins.
