Our Kickstarter campaign has received $74,000 from over 2,000 backers! TV Tropes 2.0 is coming. There is no stopping it now. We have 4 days left. At $75K we can also develop an API and at $100K the tropes web series will be produced. View the project here and discuss here.
It's also worth noting that a lot of these are also what might give a character Superpowers, however, gaining a superpower tends to be more of a plot focus, whereas in a transformation story, the focus is more on what happens during or after the change rather than what caused it.