Que Boom! The Kishiryu, the dinosaur partners of the mighty Ryusoulger have arrived to defend the Earth. Partner of Ryusoul Gold is MosaRex, the Mosasaurus Kishiryu. He can transform into a singular robot known as Kishiryu Neptune. MosaRex is also capable of combining with DimeVolcano to turn into a Spinosaurus themed Kishiryu, SpinoThunder! Furthermore, SpinoThunder can combine with Tyramigo to form Gigant Kishiryu-Oh. Included is the Gold Ryusoul that can be used to unlock new sounds in the other Ryusoul toys.
