[writing prompt] an old castle tower that is known for: the higher up you climb it you go through several phases of transformation: first, you lose all your clothes. Then, you become a 16  year old girl. There will be a spot on the Stairs that if you stand on, as long as you do so, experience an orgasm. You will be starting there for half an hour and then go on. If you continue, you grow talons as your feet. If you go on, your arms and hands become beautiful brown wings of feathers. When you reach the top, you choose a spot on the tower and then you transform into a stone statue, with your wings spread and all. This is a professional and well written story. Skip the introduction and start with him climbing the tower directly. Describe all transformations in great detail.