Adaption
From Psi Guide
Adaption is the abilty to bring forth abilities by force of will.
Description
This ability is very advanced and people with it (predicted to be about 3 people in the population) often do not realise that they have this ability, and think that they have several abilities / physical evolutions.
Limits
The only limits are the user's imagination.
If you are looking for the List of Anomalistic Abilities, look here