Shraga

Shraga (シュラが, Shūraga) is a dragon, and the foster mother of Glave Singleton, having been the one who taught him Volcanic Dragon Slayer Magic. Known as both the Last of the Volcanic Dragons (最後の嵐竜 Saigo no Ranryū), and he is the foster father of Rhys Merodach, having met him in Minstrel and taught him his Storm Dragon Slayer Magic. in Fairy Tail: Horizon.

His current whereabouts are unknown.