[Well, he...didn't expect that excitement. It actually gets a bit of a smile out of him?]

Yeah, I turn into it completely. I can move to an extent, and...honestly, your power would remind me of myself, if not for the telekinesis part. I can communicate telepathically, though not all Devil Arms can, and turning back is the same as turning into the sword.

Our powers evolving...is probably us managing to tap more of our Devil Arm's power. Which means I might have a bit of an idea of what mine would do.