There are some shadows, and once she crouches down, Aoife hunkers behind her - is she hiding? Not quite, as she whispers, "Stay still. Perhaps it is just a patrol, or someone looking for privacy as I sought."
A hand traces a pattern on Gwen's bare skin - her arm, that is, and with a shiver of glamour, her rocky skin alters hue a bit, and the bathing suit fades to match - a bit of Fuddle that makes the rock-skinned troll look like a rock, invisible to all but the closest inspection - if she doesn't move, speak, or sneeze, that is.