The Ruby Super Saiyan is a super advanced state of the Super Saiyan form it is very powerful it is only a little bit more powerful than the Sapphire Super Saiyan. If a Ruby Super Saiyan ever uses the Metamor Fusion Technique with a Sapphire Super Saiyan It will become the most powerful Fusion ever known to mankind and the Saiyan Race. The first user of this rare Super Saiyan form was Kuron Jr. such as the Sapphire Super Saiyan he learned this form in Other World.