Mages traveling in the astral plane are quite vulnerable. They apparently have no intrinsic sense for where their meat body might be located. If the body is moved, they might never find it, which would mean death. A gradual fading away into the neverland of the astral. Whistle’s body slumps, but only for moments. As her eyes snap open, she curses and blurts, " They’re jacking her !"