Something about what Ryuzaki said hit a bit too close to home, and before Kain could stop himself, he had lunged forward, grabbing the collar the skinny detective's shirt roughly. If he had been outside of Asgard, he probably would have hit him. The dragoon certainly looked angry enough.
"You don't use people as weapons, Ryuzaki!" He snapped, the anger in his voice doing a poor job of masking something else. "Does she seem like someone capable of killing? What were you thinking? What if she had been capable of causing real damage to Asgard, or the people living in it?"