Both charged forward at the same time, and Harry raised his sword in front of him just as the Horntail shot out more fire from its mouth. The Serpent Slayer was wide enough that it could act as a shield for Harry and protect him from the worst of the flames, but it was a dangerous tactic and resulted in most of his robes being burned off, leaving nothing but his shirt, pants and shoes on. What remained of his robes were little more than blackened and smoking remains which he unceremoniously ripped off even as he continued running towards the dragon.