"But what kind of being could change its appearance at will?"
I didn't have the means to change my own appearance much.
"You guys know how to use your power to change people's appearance, right?"
"But I still do not know how you can change your whole appearance so easily and often."
But first I've make a quick stop to change my appearance a bit.
In any event, he'd changed his appearance as best he could.
"If somebody hasn't changed their appearance within six months of getting there, something isn't going right."
She was trying to change her appearance; I'm sure of it.
Like all his Children, he can change shape and appearance.
He has the ability to change his shape, size, and physical appearance at will.