Dean healed the rest of his small cuts and things, smiling a little. "Cas says its called soulfire. Its a rare power some humans posess that is fire connected directly to the sould that can hurt enemies or, as you just saw, heal allies. He says it only appears when a certain seal is broken which is unique to the invidual." He explained, smiling at Castiel as he came over. He was actually feeling pretty happy. Even though he'd risked his neck many times to save the world from monsters and the like with this new power, he felt like he could do even more good than he did before.
Sam's were still wide. "Well, that'll be useful. Does it ever run out?" He asked, and Dean shook his head, directing the question to Castiel. "I dunno, sammy,"