 In spite of his fear, he retains enough presence of mind during the battle to successfully raise a magical circle around himself for protection so he can keep his drumbeat going.He then uses his medical skills to save Captain Luccio of the Wardens from what would have been a fatal wound, and to patch up Morgan from less serious injuries.He also discovers that the unnaturally long lifespan of wizards is due to an uncharted regenerative capabilities, and that Harry should one day recover the use of his horribly-burned hand.