[ The dragon comes over to settle itself down next to the troll, folding its arms to lay its head down between them. It's well within reach if Terezi wants to attempt to touch it - although of course her hand would go right through, incorporeal as the creature is. ]

Well...

[ Naminé's eyes fall to regard the specter, herself, expression placid as she considers it. ]

I'm not exactly sure how it all works, but - I think they do the healing naturally, all on their own. I'm just-- the one who tells them when to come and where to go, so that they can help people.