Harry lifted both his hands in a gesture of surrender. "Hey, don't ask me. I was just told to watch over the Swords, and see that they went to a suitable candidate. I let you use if a couple of times. Me and Him don't necessarily see eye-to-eye on a lot, but the blade's in your hands now, Murph. You drove back Deidre by taking it an inch from the scabbard. That was you. And when you killed one of the Lords of Outer Night? That was you, too."
He nodded his chin towards Fidelacchius. "And you're the one holding it now. There's always free will. But it seems like..." He let out a soft sigh. "Like Someone wants you to at least have the option of staying in the game."
That old smirk reappeared in the corner of his mouth. "You can think of it like leveling up, if you want."