Wind magic. I'm not much of a mage, I'm afraid. [ Or a priest of any kind, though he is an agent of the church. Or was, he supposes, he hasn't worked that one out. ]

But, here— [ He lifts his left hand, and closes his eyes, and after a few seconds, light blue sparks start to swirl around his glove. He stops before he finishes the spell, it would be like conjuring an target on top of his head, but the general idea is there. ]

The knights cast their spells like this [ he pantomimes holding a sword in front of his chest, and bowing his head, solemn ] but I never got the hang of it.