Sci-Ryu is a Nighlok version of Sci-Ryan and a male version of Dayu.
Sci-Ryu was made when Sci-Ryan has a drink of the red water of the Zanzu River, he turned into a Dayu version of himself. When Ryan ask Sci-Ryan if he is ok but, he replies that he is now "Sci-Ryu", the half-human/half-Nighlok warrior
Sci-Ryu looks like Dayu.
Sci-Ryu's personality is the same as Dayu. Sci-Ryu has a flute he can play to remind him of his human self during his time with Dayu
- He will first appear in Connor Lacey: Samurai Forever.