Transformation the ability to transform objects and beings into something else. It can be used to alter the appearance, structure and function of living beings and inanimate objects.
- When Piper and Phoebe Halliwell became warlocks, they gained the power of transformation and used it to turn a wedding planner into a pig and Leo into a literal stick-in-the-mud.
- As the Source of All Evil, Cole once transformed the Seer into a man to keep his secret when the sisters arrived.
- Using Fairy Dust, Fairies can transform objects and beings. A group of Trolls once transformed a young girl into a Fairy, while Tess used it to become human.