...The surge of warmth and tingliness washes over hard and quick down your neck, an terrible itch begins to spread under your clothes. You slap a trembling hand on the back of your neck to find fur and hide already rippling across as it thickens and broadens. "Ohaaaw-nooo..." You whimper as you feel the coarse bristles of a mane prickling against your palm, bones popping as they lengthen and stretch your neck out. "Ohaaaw sh-heee-t..." A glance at the mirror confirms that you starting to look like Emperor Kuzco with the furry neck and ears.
You've put two and two together at this point, despite how utterly impossible it sounds - you're turning into an animal, a donkey, and there's no doubt the theme of the island has something to do with it. You barge out of the room and throw the last two doors both open, rewarding you with a room filled to the brim with hay and the other a miniature stable with a lone stall in it. "There haw-s to b-heee a way out." You reason to yourself, remembering the vanishing entrance as you look around for an exit. "I just haw-ve to find it."