"In that room, my mother came to me. But it was not her. It was something else."
"Ah. My son, I suspect. We can take many forms. The shapes we embody are merely a reflection of the life force around us."
― Anakin and The Father (Star Wars: The Clone Wars)
The ability to have an appearance that differs to those that look at them.
Eyes of the Beholder
Subjective Appearance Shift
The user's appearance differs depending on who sees them, on what the user would look like according to seers tastes and/or experiences. The perceived appearance varies from person to person, and can include changes in race, voice, and mannerisms to present anything from an ideal figurehead to someone most hated by viewer.