He ended the spell the moment Remus didn't get up, and walked over to him, casting a few spells to make sure he was okay before adding the ones that would wake him up. Now that the adrenaline was leaving him, he could feel himself ache all over. Especially his back, but he ignored that for now. He could fix himself up later.
"Okay?" he asked as Remus came to. "I thought for sure you had me with those flames," he said. "That was brilliant."