Ōdama Gyoken

Ōdama Gyoken (重要なボールクリスタル領域, Great Ball Crystal Sphere) was a jutsu created by Ryun to maximize his use of his Yin Release chakra. This jutsu by adding more yin type chakra to the Gyoken, in comparison to the original, is much larger than Ryun's own body and can be used in one hand. It is Ryun's version of the Great Ball Rasengan. It's weakness is the amount of chakra used by the technique, limiting it's use to three times a day.