Luke really missed being able to sense when people were coming up on him, especially when it came to a certain Imperial Grand Admiral. He just about jumped out of his skin at his sudden voice -- too caught up in trying to recover to have heard him approach -- quickly making an effort to stash away his father's lightsaber, though he had a feeling it was a little late for that. Great; there was no doubt in his mind that a Grand Admiral would be able to recognize it, considering it never left Vader's hip unless he was using it.

"No, I'm fine," he managed, his voice strained, partly worried just how much trouble he was about to end up in. "Just trying to practice."