Kyuru's empathic abilities were something inherent to her as a species. However, the fairy also seemed interested in developing said abilities, so her skill was relatively high. Kyuru could feel how the light blue-haired knight underestimated both her and Cecilia, which is why the fairy wanted to teach her a lesson.
Faerie's combat prowess was inherently weak, something Desmond didn't quite understand. Still, one shouldn't underestimate how skilled a faery could be at manipulating the elements, especially an origin someone like Kyuru.
Although William had already sensed how dangerous the fairy's move was, he didn't have enough time to put up a fight before the small ball of wind hit him.
Kyuru's attack was swift to the point where the ball of wind seemed to have teleported from her tiny hands to William's side. The wind projectile blew up on impact, creating a massive explosion that hurled William like a rag doll into the distance.
