In any story in which a character changes form, regardless of whether they become a giant
, an Incredible Shrinking Man
, or even the opposite sex
, this is usually explained using of the following reasons:
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.