[Diarmuid starts to agree that, yes, that would probably be the outcome, but then a bit of Grail given information crosses his mind.]

I am actually not sure on that. My gut says, yes, but if you recall his legend, there was once one who was able to leash him without causing him to grow worse. In fact, he was created by the gods just for that job.

If it happened once, perhaps with all those who are brought to this place, it could happen again.