Padmé takes half a step back when Rey ignites her saber, but it's purely an instinctual reaction - she may not know what's going on here, but she truly does not believe that Rey means her any harm. She steps closer again a second later and takes a long look at the stone chair that's made her so angry.

"I don't," she says slowly, thinking it over, but as much as she tries she can't think of what the thing might be. "But it can't be anything good, if it's made you this upset."