User blog comment:Kogath/Monster Hunter 4 Ultimate for the Nintendo 3DS/@comment-6050823-20141001000052

Well, guys some things was revealed about Seruregiosu both at TGS and last week was revealed about it:
 * Seruregiosu was made to be the Rival of the Rathalos and everything else about Seruregiosu was made to rival the Rathalos' such as its BGM(煌めく千の刃).
 * Seruregiosu was made to be both be a bird-like Flying Wyvern with and at first had a tiger and dinosaur-like design.
 * Seruregiosu is in its own Infraorder known as the Blade Scale Wyverns and its Family is known as Regiosu.
 * Its believed Seruregiosu's evolution might be revealed somewhere down the line soon enough.