They whipped around, the guard reaching for his weapon, but all of a sudden, something flew past us through the air and slammed right into his forehead, making his neck snap back, his knees give out, and his body crumple to the floor of the roof. What the hell? A dagger clanked to the ground next to him; the butt of it must’ve knocked him out. I looked over at Rika. She stood in a lunging position with her arm outstretched. Then she stood up, straightening and breathing hard. Yeah, okay.