History Main / TransformationCauses

* They have [[BecauseDestinySaysSo always been destined to transform]] at a [[DangerousSixteenthBirthday certain point in their lives]].

* AWizardDidIt

* They only [[DelusionsOfDoghood think they transformed]]
* [[OneWingedAngel A videogame hero has just slain their usual form]].

It's also worth noting that a lot of these are also what might give a character [[JustForFun/HowToGiveACharacterSuperpowers 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.

** They were [[GeneticEngineeringIsTheNewNuke genetically modified.]]

** They're a HalfHumanHybrid

* [[ViralTransformation Transformation is contagious]]

** They were splashed with a monster's [[SuperhumanTransfusion bodily fluids.]]

** Another character [[CloneByConversion didn't want to wait for their clone, so they chose another person.]]

** [[WeCanRebuildHim They were "rebuilt" with cybernetic parts]]
* They [[FreakyFridayFlip switched bodies with someone else]]

** They [[BecomingTheCostume wore a garment that transformed them]]

* They were a complete jerk [[KarmicTransformation and they deserved it.]]

* They earned the favour - or disfavour - of TheTransmogrifier.

* [[SexuallyTransmittedSuperpowers They had sex or fell in love with a super.]]

It's also worth noting that a lot of these are also what might give a character [[JustForFun/HowToGiveACharacterSuperpowers 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.

[[CloneByConversion That form happened to be of the other character.]]

* [[CloneByConversion Someone needed a clone of themself.]]

** [[ILoveNuclearPower They were exposed to strange radiation]] or [[ToxicWasteCanDoAnything nuclear waste]].

* They [[BalefulPolymorph pissed off a witch and got cursed]].

* They were [[ToyTransmutation transformed into a Toy]]

** They pissed off ''[[AuthorPowers the author]]''.

* They [[BeCarefulWhatYouWishFor made the wrong wish]] to a LiteralGenie.

* They only [[{{DelusionsofDoghood}} think they transformed]]

It's also worth noting that a lot of these are also what might give a character [[HowToGiveACharacterSuperpowers 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.

* They died and CameBackWrong.

* They [[BalefulPolymorph pissed off a witch]].
** They [[CosmicPlaything pissed off the Gods]].

** They gained the form by [[MegaManning fighting someone with it]] ([[DittoFighter although the form may not last]]).

** [[ILoveNuclearPower They were exposed to strange radiation]] or nuclear waste.

** They were [[TransformationOfThePossessed by something that wanted them to transform]].
* They received the form from somebody else.