Valma was the member of Ryusoul Tribe with good heart. But the Gaisoul which he had put him down in the path of evil stealing Justice from his heart. Now it's upto Ryusoulger to bring him back.
Shiso Minusou was the first Minusou to appear on earth. He has the power of time. He makes Ryusoulger time slip 65 Million years back.
Kishiryu Zin is the ancient Kishiryu. Kishiryu Dinomigo will combine with the two Cobrago to transform into Kishiryu Zin.