"It phased through the window."
—Phoebe about the Will o' the Wisp.[src]

Intangibility, also known as phasing, is the ability to alter one's molecular structure to a state that can pass through physical matter; rendering the user immune to many physical and magical attacks. For certain magical beings, such as spirits, being non-corporeal is a natural state of being.

List of beings who use(d) Intangibility

Original power
Through spell, potion, magic dust, etc.
State of Being


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  1. "The Courtship of Wyatt's Father"
  2. A corporeal Muse was seen in line to claim Excalibur in "Sword and the City"