Natsu stares at Zargo, breathing heavily, his eyes angry "Test Subject?!" He screeches, still holding onto the women "No..I won't let you touch her!" before he pulls Wolf Girl up into a Marriage like hold, and yelling "Fire Dragon -- Claw!" As his feet burst into flams he jumps backwards, and Happy would quickly wrap his tail around the Wolf girl, flying her to a roof, as Natsu lands swiftly on the ground he yells "Fire Dragon Roar!" Toward Zargo, not specifically him, but morely the Vials