Haruto was in Peter's boat - namely, the get some distance and disable from afar one. "Mind the chill," he says, moving to the side with far more flair than anyone in that uniform should before scanning a ring on his belt, and holding his hand out toward the enemy troopers. VERY NICE! BLIZZARD! FABULOUS! A blue spell circle draws itself in the air in front of his hand, and a stream of snow and ice sprays out toward the accusing troopers' legs.

Useful, but not very stealthy.