Summary
Users can either instantly develop powers or abilities to deal with threats or their bodies dynamically learn from experience. Depending on the user's control of the power or genetic structure, the reactive effects can be permanent or temporary. This can include developing abilities to breathe underwater or in air with variable compositions, withstand different atmospheric pressures, live in much colder or hotter climates, see in greater darkness, develop camouflage colouring to hide from threats, etc.
Notable Users
- Kars (JoJo's Bizarre Adventure)
- Doomsday (DC Comics)
- Doctor Doom (Marvel Comics)
- Characters from Umineko no Naku Koro ni