The blood is the first thing he notices; the daggers are merely incidental. Knives alone would never be cause for concern, but blood? From this distance, there's no telling where that came from, and Firo immediately assumes the worse.

His face falls, and he rushes to close the gap between them, "Muscovy! The hell--?" He grabs for the kid's shoulders and drops to his knees to take a closer look for any injuries.

"What happened to you? Did they get you?"